diff --git a/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitor.java b/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitor.java
index 2b99d0a..1623669 100644
--- a/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitor.java
+++ b/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitor.java
@@ -16,6 +16,8 @@
 
 package com.android.server.connectivity.mdns;
 
+import android.net.Network;
+
 /** Interface for monitoring connectivity changes. */
 public interface ConnectivityMonitor {
     /**
@@ -29,6 +31,9 @@
 
     void notifyConnectivityChange();
 
+    /** Get available network which is received from connectivity change. */
+    Network getAvailableNetwork();
+
     /** Listener interface for receiving connectivity changes. */
     interface Listener {
         void onConnectivityChanged();
diff --git a/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManager.java b/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManager.java
index 3563d61..551e3db 100644
--- a/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManager.java
+++ b/service/mdns/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManager.java
@@ -16,6 +16,7 @@
 
 package com.android.server.connectivity.mdns;
 
+import android.annotation.Nullable;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.net.ConnectivityManager;
@@ -37,6 +38,7 @@
     // TODO(b/71901993): Ideally we shouldn't need this flag. However we still don't have clues why
     // the receiver is unregistered twice yet.
     private boolean isCallbackRegistered = false;
+    private Network lastAvailableNetwork = null;
 
     @SuppressWarnings({"nullness:assignment", "nullness:method.invocation"})
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
@@ -50,6 +52,7 @@
                     @Override
                     public void onAvailable(Network network) {
                         LOGGER.log("network available.");
+                        lastAvailableNetwork = network;
                         notifyConnectivityChange();
                     }
 
@@ -103,4 +106,10 @@
         connectivityManager.unregisterNetworkCallback(networkCallback);
         isCallbackRegistered = false;
     }
+
+    @Override
+    @Nullable
+    public Network getAvailableNetwork() {
+        return lastAvailableNetwork;
+    }
 }
\ No newline at end of file
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsResponse.java b/service/mdns/com/android/server/connectivity/mdns/MdnsResponse.java
index 623168c..3a41978 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsResponse.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsResponse.java
@@ -17,6 +17,7 @@
 package com.android.server.connectivity.mdns;
 
 import android.annotation.Nullable;
+import android.net.Network;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -35,13 +36,16 @@
     private MdnsInetAddressRecord inet4AddressRecord;
     private MdnsInetAddressRecord inet6AddressRecord;
     private long lastUpdateTime;
-    private int interfaceIndex = MdnsSocket.INTERFACE_INDEX_UNSPECIFIED;
+    private final int interfaceIndex;
+    @Nullable private final Network network;
 
     /** Constructs a new, empty response. */
-    public MdnsResponse(long now) {
+    public MdnsResponse(long now, int interfaceIndex, @Nullable Network network) {
         lastUpdateTime = now;
         records = new LinkedList<>();
         pointerRecords = new LinkedList<>();
+        this.interfaceIndex = interfaceIndex;
+        this.network = network;
     }
 
     // This generic typed helper compares records for equality.
@@ -208,21 +212,21 @@
     }
 
     /**
-     * Updates the index of the network interface at which this response was received. Can be set to
-     * {@link MdnsSocket#INTERFACE_INDEX_UNSPECIFIED} if unset.
-     */
-    public synchronized void setInterfaceIndex(int interfaceIndex) {
-        this.interfaceIndex = interfaceIndex;
-    }
-
-    /**
      * Returns the index of the network interface at which this response was received. Can be set to
      * {@link MdnsSocket#INTERFACE_INDEX_UNSPECIFIED} if unset.
      */
-    public synchronized int getInterfaceIndex() {
+    public int getInterfaceIndex() {
         return interfaceIndex;
     }
 
+    /**
+     * Returns the network at which this response was received, or null if the network is unknown.
+     */
+    @Nullable
+    public Network getNetwork() {
+        return network;
+    }
+
     /** Gets the IPv6 address record. */
     public synchronized MdnsInetAddressRecord getInet6AddressRecord() {
         return inet6AddressRecord;
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsResponseDecoder.java b/service/mdns/com/android/server/connectivity/mdns/MdnsResponseDecoder.java
index 6c2bc19..7cf84f6 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsResponseDecoder.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsResponseDecoder.java
@@ -18,6 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.net.Network;
 import android.os.SystemClock;
 
 import com.android.server.connectivity.mdns.util.MdnsLogger;
@@ -95,10 +96,11 @@
      * @param packet The packet to read from.
      * @param interfaceIndex the network interface index (or {@link
      *     MdnsSocket#INTERFACE_INDEX_UNSPECIFIED} if not known) at which the packet was received
+     * @param network the network at which the packet was received, or null if it is unknown.
      * @return A list of mDNS responses, or null if the packet contained no appropriate responses.
      */
     public int decode(@NonNull DatagramPacket packet, @NonNull List<MdnsResponse> responses,
-            int interfaceIndex) {
+            int interfaceIndex, @Nullable Network network) {
         MdnsPacketReader reader = new MdnsPacketReader(packet);
 
         List<MdnsRecord> records;
@@ -253,12 +255,11 @@
                     MdnsResponse response = findResponseWithPointer(responses,
                             pointerRecord.getPointer());
                     if (response == null) {
-                        response = new MdnsResponse(now);
+                        response = new MdnsResponse(now, interfaceIndex, network);
                         responses.add(response);
                     }
                     // Set interface index earlier because some responses have PTR record only.
                     // Need to know every response is getting from which interface.
-                    response.setInterfaceIndex(interfaceIndex);
                     response.addPointerRecord((MdnsPointerRecord) record);
                 }
             }
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsServiceInfo.java b/service/mdns/com/android/server/connectivity/mdns/MdnsServiceInfo.java
index 9683bc9..938fc3f 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsServiceInfo.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsServiceInfo.java
@@ -16,8 +16,11 @@
 
 package com.android.server.connectivity.mdns;
 
+import static com.android.server.connectivity.mdns.MdnsSocket.INTERFACE_INDEX_UNSPECIFIED;
+
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.net.Network;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
@@ -58,7 +61,8 @@
                             source.readString(),
                             source.createStringArrayList(),
                             source.createTypedArrayList(TextEntry.CREATOR),
-                            source.readInt());
+                            source.readInt(),
+                            source.readParcelable(null));
                 }
 
                 @Override
@@ -82,6 +86,8 @@
     private final int interfaceIndex;
 
     private final Map<String, byte[]> attributes;
+    @Nullable
+    private final Network network;
 
     /** Constructs a {@link MdnsServiceInfo} object with default values. */
     public MdnsServiceInfo(
@@ -103,7 +109,8 @@
                 ipv6Address,
                 textStrings,
                 /* textEntries= */ null,
-                /* interfaceIndex= */ -1);
+                /* interfaceIndex= */ INTERFACE_INDEX_UNSPECIFIED,
+                /* network= */ null);
     }
 
     /** Constructs a {@link MdnsServiceInfo} object with default values. */
@@ -127,7 +134,8 @@
                 ipv6Address,
                 textStrings,
                 textEntries,
-                /* interfaceIndex= */ -1);
+                /* interfaceIndex= */ INTERFACE_INDEX_UNSPECIFIED,
+                /* network= */ null);
     }
 
     /**
@@ -146,6 +154,37 @@
             @Nullable List<String> textStrings,
             @Nullable List<TextEntry> textEntries,
             int interfaceIndex) {
+        this(
+                serviceInstanceName,
+                serviceType,
+                subtypes,
+                hostName,
+                port,
+                ipv4Address,
+                ipv6Address,
+                textStrings,
+                textEntries,
+                interfaceIndex,
+                /* network= */ null);
+    }
+
+    /**
+     * Constructs a {@link MdnsServiceInfo} object with default values.
+     *
+     * @hide
+     */
+    public MdnsServiceInfo(
+            String serviceInstanceName,
+            String[] serviceType,
+            @Nullable List<String> subtypes,
+            String[] hostName,
+            int port,
+            @Nullable String ipv4Address,
+            @Nullable String ipv6Address,
+            @Nullable List<String> textStrings,
+            @Nullable List<TextEntry> textEntries,
+            int interfaceIndex,
+            @Nullable Network network) {
         this.serviceInstanceName = serviceInstanceName;
         this.serviceType = serviceType;
         this.subtypes = new ArrayList<>();
@@ -180,6 +219,7 @@
         }
         this.attributes = Collections.unmodifiableMap(attributes);
         this.interfaceIndex = interfaceIndex;
+        this.network = network;
     }
 
     private static List<TextEntry> parseTextStrings(List<String> textStrings) {
@@ -244,6 +284,14 @@
     }
 
     /**
+     * Returns the network at which this response was received, or null if the network is unknown.
+     */
+    @Nullable
+    public Network getNetwork() {
+        return network;
+    }
+
+    /**
      * Returns attribute value for {@code key} as a UTF-8 string. It's the caller who must make sure
      * that the value of {@code key} is indeed a UTF-8 string. {@code null} will be returned if no
      * attribute value exists for {@code key}.
@@ -293,6 +341,7 @@
         out.writeStringList(textStrings);
         out.writeTypedList(textEntries);
         out.writeInt(interfaceIndex);
+        out.writeParcelable(network, 0);
     }
 
     @Override
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java b/service/mdns/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
index dd4ff9b..538f376 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
@@ -130,7 +130,8 @@
                 ipv6Address,
                 textStrings,
                 textEntries,
-                response.getInterfaceIndex());
+                response.getInterfaceIndex(),
+                response.getNetwork());
     }
 
     /**
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsSocket.java b/service/mdns/com/android/server/connectivity/mdns/MdnsSocket.java
index 0a9b2fc..f8452c9 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsSocket.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsSocket.java
@@ -17,6 +17,8 @@
 package com.android.server.connectivity.mdns;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.net.Network;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.connectivity.mdns.util.MdnsLogger;
@@ -125,6 +127,14 @@
         }
     }
 
+    /**
+     * Returns the available network that this socket is used to, or null if the network is unknown.
+     */
+    @Nullable
+    public Network getNetwork() {
+        return multicastNetworkInterfaceProvider.getAvailableNetwork();
+    }
+
     public boolean isOnIPv6OnlyNetwork() {
         return isOnIPv6OnlyNetwork;
     }
diff --git a/service/mdns/com/android/server/connectivity/mdns/MdnsSocketClient.java b/service/mdns/com/android/server/connectivity/mdns/MdnsSocketClient.java
index 758221a..6a321d1 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MdnsSocketClient.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MdnsSocketClient.java
@@ -21,6 +21,7 @@
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.content.Context;
+import android.net.Network;
 import android.net.wifi.WifiManager.MulticastLock;
 import android.os.SystemClock;
 import android.text.format.DateUtils;
@@ -397,7 +398,8 @@
                             responseType,
                             /* interfaceIndex= */ (socket == null || !propagateInterfaceIndex)
                                     ? MdnsSocket.INTERFACE_INDEX_UNSPECIFIED
-                                    : socket.getInterfaceIndex());
+                                    : socket.getInterfaceIndex(),
+                            /* network= */ socket.getNetwork());
                 }
             } catch (IOException e) {
                 if (!shouldStopSocketLoop) {
@@ -408,12 +410,12 @@
         LOGGER.log("Receive thread stopped.");
     }
 
-    private int processResponsePacket(
-            @NonNull DatagramPacket packet, String responseType, int interfaceIndex) {
+    private int processResponsePacket(@NonNull DatagramPacket packet, String responseType,
+            int interfaceIndex, @Nullable Network network) {
         int packetNumber = ++receivedPacketNumber;
 
         List<MdnsResponse> responses = new LinkedList<>();
-        int errorCode = responseDecoder.decode(packet, responses, interfaceIndex);
+        int errorCode = responseDecoder.decode(packet, responses, interfaceIndex, network);
         if (errorCode == MdnsResponseDecoder.SUCCESS) {
             if (responseType.equals(MULTICAST_TYPE)) {
                 receivedMulticastResponse = true;
diff --git a/service/mdns/com/android/server/connectivity/mdns/MulticastNetworkInterfaceProvider.java b/service/mdns/com/android/server/connectivity/mdns/MulticastNetworkInterfaceProvider.java
index e0d8fa6..644460d 100644
--- a/service/mdns/com/android/server/connectivity/mdns/MulticastNetworkInterfaceProvider.java
+++ b/service/mdns/com/android/server/connectivity/mdns/MulticastNetworkInterfaceProvider.java
@@ -19,6 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.content.Context;
+import android.net.Network;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.connectivity.mdns.util.MdnsLogger;
@@ -56,7 +57,7 @@
                 context, this::onConnectivityChanged);
     }
 
-    private void onConnectivityChanged() {
+    private synchronized void onConnectivityChanged() {
         connectivityChanged = true;
     }
 
@@ -141,6 +142,11 @@
         return networkInterfaceWrappers;
     }
 
+    @Nullable
+    public Network getAvailableNetwork() {
+        return connectivityMonitor.getAvailableNetwork();
+    }
+
     private boolean canScanOnInterface(@Nullable NetworkInterfaceWrapper networkInterface) {
         try {
             if ((networkInterface == null)
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManagerTests.java b/tests/unit/java/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManagerTests.java
index f84e2d8..8fb7be1 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManagerTests.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/ConnectivityMonitorWithConnectivityManagerTests.java
@@ -21,6 +21,7 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.inOrder;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
@@ -111,7 +112,7 @@
                 any(NetworkRequest.class), callbackCaptor.capture());
 
         final NetworkCallback callback = callbackCaptor.getValue();
-        final Network testNetwork = new Network(1 /* netId */);
+        final Network testNetwork = mock(Network.class);
 
         // Simulate network available.
         callback.onAvailable(testNetwork);
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseDecoderTests.java b/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseDecoderTests.java
index 02e00c2..4cae447 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseDecoderTests.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseDecoderTests.java
@@ -27,6 +27,7 @@
 import static org.mockito.Mockito.mock;
 
 import android.net.InetAddresses;
+import android.net.Network;
 
 import com.android.net.module.util.HexDump;
 import com.android.testutils.DevSdkIgnoreRule;
@@ -165,7 +166,8 @@
         packet.setSocketAddress(
                 new InetSocketAddress(MdnsConstants.getMdnsIPv4Address(), MdnsConstants.MDNS_PORT));
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED);
+        int errorCode = decoder.decode(
+                packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED, mock(Network.class));
         assertEquals(MdnsResponseDecoder.SUCCESS, errorCode);
         assertEquals(1, responses.size());
     }
@@ -178,7 +180,8 @@
         packet.setSocketAddress(
                 new InetSocketAddress(MdnsConstants.getMdnsIPv4Address(), MdnsConstants.MDNS_PORT));
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED);
+        int errorCode = decoder.decode(
+                packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED, mock(Network.class));
         assertEquals(MdnsResponseDecoder.SUCCESS, errorCode);
         assertEquals(2, responses.size());
     }
@@ -237,7 +240,8 @@
                 new InetSocketAddress(MdnsConstants.getMdnsIPv6Address(), MdnsConstants.MDNS_PORT));
 
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED);
+        int errorCode = decoder.decode(
+                packet, responses, MdnsSocket.INTERFACE_INDEX_UNSPECIFIED, mock(Network.class));
         assertEquals(MdnsResponseDecoder.SUCCESS, errorCode);
 
         MdnsResponse response = responses.get(0);
@@ -287,10 +291,13 @@
                 new InetSocketAddress(MdnsConstants.getMdnsIPv6Address(), MdnsConstants.MDNS_PORT));
 
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, /* interfaceIndex= */ 10);
+        final Network network = mock(Network.class);
+        int errorCode = decoder.decode(
+                packet, responses, /* interfaceIndex= */ 10, network);
         assertEquals(errorCode, MdnsResponseDecoder.SUCCESS);
         assertEquals(responses.size(), 1);
         assertEquals(responses.get(0).getInterfaceIndex(), 10);
+        assertEquals(network, responses.get(0).getNetwork());
     }
 
     @Test
@@ -306,7 +313,8 @@
                 new InetSocketAddress(MdnsConstants.getMdnsIPv6Address(), MdnsConstants.MDNS_PORT));
 
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, /* interfaceIndex= */ 0);
+        int errorCode = decoder.decode(
+                packet, responses, /* interfaceIndex= */ 0, mock(Network.class));
         assertEquals(MdnsResponseDecoder.SUCCESS, errorCode);
 
         // This should emit two records:
@@ -340,7 +348,8 @@
                 new InetSocketAddress(MdnsConstants.getMdnsIPv6Address(), MdnsConstants.MDNS_PORT));
 
         responses.clear();
-        int errorCode = decoder.decode(packet, responses, /* interfaceIndex= */ 0);
+        int errorCode = decoder.decode(
+                packet, responses, /* interfaceIndex= */ 0, mock(Network.class));
         assertEquals(MdnsResponseDecoder.SUCCESS, errorCode);
 
         // This should emit only two records:
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseTests.java b/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseTests.java
index 771e42c..ec57dc8 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseTests.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/MdnsResponseTests.java
@@ -21,8 +21,12 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.mockito.Mockito.mock;
+
+import android.net.Network;
 
 import com.android.net.module.util.HexDump;
 import com.android.testutils.DevSdkIgnoreRule;
@@ -92,6 +96,9 @@
             + "3839300878797A3D"
             + "21402324");
 
+    private static final int INTERFACE_INDEX = 999;
+    private final Network mNetwork = mock(Network.class);
+
     // The following helper classes act as wrappers so that IPv4 and IPv6 address records can
     // be explicitly created by type using same constructor signature as all other records.
     static class MdnsInet4AddressRecord extends MdnsInetAddressRecord {
@@ -127,7 +134,7 @@
     // Construct an MdnsResponse with the specified data packets applied.
     private MdnsResponse makeMdnsResponse(long time, List<PacketAndRecordClass> responseList)
             throws IOException {
-        MdnsResponse response = new MdnsResponse(time);
+        MdnsResponse response = new MdnsResponse(time, INTERFACE_INDEX, mNetwork);
         for (PacketAndRecordClass responseData : responseList) {
             DatagramPacket packet =
                     new DatagramPacket(responseData.packetData, responseData.packetData.length);
@@ -159,7 +166,7 @@
         String[] name = reader.readLabels();
         reader.skip(2); // skip record type indication.
         MdnsInetAddressRecord record = new MdnsInetAddressRecord(name, MdnsRecord.TYPE_A, reader);
-        MdnsResponse response = new MdnsResponse(0);
+        MdnsResponse response = new MdnsResponse(0, INTERFACE_INDEX, mNetwork);
         assertFalse(response.hasInet4AddressRecord());
         assertTrue(response.setInet4AddressRecord(record));
         assertEquals(response.getInet4AddressRecord(), record);
@@ -173,7 +180,7 @@
         reader.skip(2); // skip record type indication.
         MdnsInetAddressRecord record =
                 new MdnsInetAddressRecord(name, MdnsRecord.TYPE_AAAA, reader);
-        MdnsResponse response = new MdnsResponse(0);
+        MdnsResponse response = new MdnsResponse(0, INTERFACE_INDEX, mNetwork);
         assertFalse(response.hasInet6AddressRecord());
         assertTrue(response.setInet6AddressRecord(record));
         assertEquals(response.getInet6AddressRecord(), record);
@@ -186,7 +193,7 @@
         String[] name = reader.readLabels();
         reader.skip(2); // skip record type indication.
         MdnsPointerRecord record = new MdnsPointerRecord(name, reader);
-        MdnsResponse response = new MdnsResponse(0);
+        MdnsResponse response = new MdnsResponse(0, INTERFACE_INDEX, mNetwork);
         assertFalse(response.hasPointerRecords());
         assertTrue(response.addPointerRecord(record));
         List<MdnsPointerRecord> recordList = response.getPointerRecords();
@@ -202,7 +209,7 @@
         String[] name = reader.readLabels();
         reader.skip(2); // skip record type indication.
         MdnsServiceRecord record = new MdnsServiceRecord(name, reader);
-        MdnsResponse response = new MdnsResponse(0);
+        MdnsResponse response = new MdnsResponse(0, INTERFACE_INDEX, mNetwork);
         assertFalse(response.hasServiceRecord());
         assertTrue(response.setServiceRecord(record));
         assertEquals(response.getServiceRecord(), record);
@@ -215,23 +222,31 @@
         String[] name = reader.readLabels();
         reader.skip(2); // skip record type indication.
         MdnsTextRecord record = new MdnsTextRecord(name, reader);
-        MdnsResponse response = new MdnsResponse(0);
+        MdnsResponse response = new MdnsResponse(0, INTERFACE_INDEX, mNetwork);
         assertFalse(response.hasTextRecord());
         assertTrue(response.setTextRecord(record));
         assertEquals(response.getTextRecord(), record);
     }
 
     @Test
-    public void getInterfaceIndex_returnsDefaultValue() {
-        MdnsResponse response = new MdnsResponse(/* now= */ 0);
-        assertEquals(response.getInterfaceIndex(), -1);
+    public void getInterfaceIndex() {
+        final MdnsResponse response1 = new MdnsResponse(/* now= */ 0, INTERFACE_INDEX, mNetwork);
+        assertEquals(INTERFACE_INDEX, response1.getInterfaceIndex());
+
+        final MdnsResponse response2 =
+                new MdnsResponse(/* now= */ 0, 1234 /* interfaceIndex */, mNetwork);
+        assertEquals(1234, response2.getInterfaceIndex());
     }
 
     @Test
-    public void getInterfaceIndex_afterSet_returnsValue() {
-        MdnsResponse response = new MdnsResponse(/* now= */ 0);
-        response.setInterfaceIndex(5);
-        assertEquals(response.getInterfaceIndex(), 5);
+    public void testGetNetwork() {
+        final MdnsResponse response1 =
+                new MdnsResponse(/* now= */ 0, INTERFACE_INDEX, null /* network */);
+        assertNull(response1.getNetwork());
+
+        final MdnsResponse response2 =
+                new MdnsResponse(/* now= */ 0, 1234 /* interfaceIndex */, mNetwork);
+        assertEquals(mNetwork, response2.getNetwork());
     }
 
     @Test
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceInfoTest.java b/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceInfoTest.java
index ebdb73f..76728cf 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceInfoTest.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceInfoTest.java
@@ -16,13 +16,16 @@
 
 package com.android.server.connectivity.mdns;
 
+import static com.android.server.connectivity.mdns.MdnsSocket.INTERFACE_INDEX_UNSPECIFIED;
 import static com.android.testutils.DevSdkIgnoreRuleKt.SC_V2;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
 
+import android.net.Network;
 import android.os.Parcel;
 
 import com.android.server.connectivity.mdns.MdnsServiceInfo.TextEntry;
@@ -128,7 +131,7 @@
                         "2001::1",
                         List.of());
 
-        assertEquals(info.getInterfaceIndex(), -1);
+        assertEquals(info.getInterfaceIndex(), INTERFACE_INDEX_UNSPECIFIED);
     }
 
     @Test
@@ -150,6 +153,41 @@
     }
 
     @Test
+    public void testGetNetwork() {
+        final MdnsServiceInfo info1 =
+                new MdnsServiceInfo(
+                        "my-mdns-service",
+                        new String[] {"_googlecast", "_tcp"},
+                        List.of(),
+                        new String[] {"my-host", "local"},
+                        12345,
+                        "192.168.1.1",
+                        "2001::1",
+                        List.of(),
+                        /* textEntries= */ null,
+                        /* interfaceIndex= */ 20);
+
+        assertNull(info1.getNetwork());
+
+        final Network network = mock(Network.class);
+        final MdnsServiceInfo info2 =
+                new MdnsServiceInfo(
+                        "my-mdns-service",
+                        new String[] {"_googlecast", "_tcp"},
+                        List.of(),
+                        new String[] {"my-host", "local"},
+                        12345,
+                        "192.168.1.1",
+                        "2001::1",
+                        List.of(),
+                        /* textEntries= */ null,
+                        /* interfaceIndex= */ 20,
+                        network);
+
+        assertEquals(network, info2.getNetwork());
+    }
+
+    @Test
     public void parcelable_canBeParceledAndUnparceled() {
         Parcel parcel = Parcel.obtain();
         MdnsServiceInfo beforeParcel =
@@ -165,7 +203,9 @@
                         List.of(
                                 MdnsServiceInfo.TextEntry.fromString("vn=Google Inc."),
                                 MdnsServiceInfo.TextEntry.fromString("mn=Google Nest Hub Max"),
-                                MdnsServiceInfo.TextEntry.fromString("test=")));
+                                MdnsServiceInfo.TextEntry.fromString("test=")),
+                        20 /* interfaceIndex */,
+                        new Network(123));
 
         beforeParcel.writeToParcel(parcel, 0);
         parcel.setDataPosition(0);
@@ -179,6 +219,8 @@
         assertEquals(beforeParcel.getIpv4Address(), afterParcel.getIpv4Address());
         assertEquals(beforeParcel.getIpv6Address(), afterParcel.getIpv6Address());
         assertEquals(beforeParcel.getAttributes(), afterParcel.getAttributes());
+        assertEquals(beforeParcel.getInterfaceIndex(), afterParcel.getInterfaceIndex());
+        assertEquals(beforeParcel.getNetwork(), afterParcel.getNetwork());
     }
 
     @Test
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceTypeClientTests.java b/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceTypeClientTests.java
index 462685a..697116c 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceTypeClientTests.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/MdnsServiceTypeClientTests.java
@@ -39,6 +39,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.net.InetAddresses;
+import android.net.Network;
 import android.text.TextUtils;
 
 import com.android.server.connectivity.mdns.MdnsServiceInfo.TextEntry;
@@ -79,6 +80,7 @@
     private static final int INTERFACE_INDEX = 999;
     private static final String SERVICE_TYPE = "_googlecast._tcp.local";
     private static final String[] SERVICE_TYPE_LABELS = TextUtils.split(SERVICE_TYPE, "\\.");
+    private static final Network NETWORK = mock(Network.class);
 
     @Mock
     private MdnsServiceBrowserListener mockListenerOne;
@@ -385,7 +387,8 @@
 
     private static void verifyServiceInfo(MdnsServiceInfo serviceInfo, String serviceName,
             String[] serviceType, String ipv4Address, String ipv6Address, int port,
-            List<String> subTypes, Map<String, String> attributes, int interfaceIndex) {
+            List<String> subTypes, Map<String, String> attributes, int interfaceIndex,
+            Network network) {
         assertEquals(serviceName, serviceInfo.getServiceInstanceName());
         assertArrayEquals(serviceType, serviceInfo.getServiceType());
         assertEquals(ipv4Address, serviceInfo.getIpv4Address());
@@ -396,6 +399,7 @@
             assertEquals(attributes.get(key), serviceInfo.getAttributeByKey(key));
         }
         assertEquals(interfaceIndex, serviceInfo.getInterfaceIndex());
+        assertEquals(network, serviceInfo.getNetwork());
     }
 
     @Test
@@ -405,6 +409,7 @@
         MdnsResponse response = mock(MdnsResponse.class);
         when(response.getServiceInstanceName()).thenReturn("service-instance-1");
         doReturn(INTERFACE_INDEX).when(response).getInterfaceIndex();
+        doReturn(NETWORK).when(response).getNetwork();
         when(response.isComplete()).thenReturn(false);
 
         client.processResponse(response);
@@ -417,7 +422,8 @@
                 0 /* port */,
                 List.of() /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         verify(mockListenerOne, never()).onServiceFound(any(MdnsServiceInfo.class));
         verify(mockListenerOne, never()).onServiceUpdated(any(MdnsServiceInfo.class));
@@ -436,7 +442,8 @@
                         5353,
                         /* subtype= */ "ABCDE",
                         Collections.emptyMap(),
-                        /* interfaceIndex= */ 20);
+                        /* interfaceIndex= */ 20,
+                        NETWORK);
         client.processResponse(initialResponse);
 
         // Process a second response with a different port and updated text attributes.
@@ -447,7 +454,8 @@
                         5354,
                         /* subtype= */ "ABCDE",
                         Collections.singletonMap("key", "value"),
-                        /* interfaceIndex= */ 20);
+                        /* interfaceIndex= */ 20,
+                        NETWORK);
         client.processResponse(secondResponse);
 
         // Verify onServiceNameDiscovered was called once for the initial response.
@@ -460,7 +468,8 @@
                 5353 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                20 /* interfaceIndex */);
+                20 /* interfaceIndex */,
+                NETWORK);
 
         // Verify onServiceFound was called once for the initial response.
         verify(mockListenerOne).onServiceFound(serviceInfoCaptor.capture());
@@ -471,6 +480,7 @@
         assertEquals(initialServiceInfo.getSubtypes(), Collections.singletonList("ABCDE"));
         assertNull(initialServiceInfo.getAttributeByKey("key"));
         assertEquals(initialServiceInfo.getInterfaceIndex(), 20);
+        assertEquals(NETWORK, initialServiceInfo.getNetwork());
 
         // Verify onServiceUpdated was called once for the second response.
         verify(mockListenerOne).onServiceUpdated(serviceInfoCaptor.capture());
@@ -482,6 +492,7 @@
         assertEquals(updatedServiceInfo.getSubtypes(), Collections.singletonList("ABCDE"));
         assertEquals(updatedServiceInfo.getAttributeByKey("key"), "value");
         assertEquals(updatedServiceInfo.getInterfaceIndex(), 20);
+        assertEquals(NETWORK, updatedServiceInfo.getNetwork());
     }
 
     @Test
@@ -497,7 +508,8 @@
                         5353,
                         /* subtype= */ "ABCDE",
                         Collections.emptyMap(),
-                        /* interfaceIndex= */ 20);
+                        /* interfaceIndex= */ 20,
+                        NETWORK);
         client.processResponse(initialResponse);
 
         // Process a second response with a different port and updated text attributes.
@@ -508,7 +520,8 @@
                         5354,
                         /* subtype= */ "ABCDE",
                         Collections.singletonMap("key", "value"),
-                        /* interfaceIndex= */ 20);
+                        /* interfaceIndex= */ 20,
+                        NETWORK);
         client.processResponse(secondResponse);
 
         System.out.println("secondResponses ip"
@@ -524,7 +537,8 @@
                 5353 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                20 /* interfaceIndex */);
+                20 /* interfaceIndex */,
+                NETWORK);
 
         // Verify onServiceFound was called once for the initial response.
         verify(mockListenerOne).onServiceFound(serviceInfoCaptor.capture());
@@ -535,6 +549,7 @@
         assertEquals(initialServiceInfo.getSubtypes(), Collections.singletonList("ABCDE"));
         assertNull(initialServiceInfo.getAttributeByKey("key"));
         assertEquals(initialServiceInfo.getInterfaceIndex(), 20);
+        assertEquals(NETWORK, initialServiceInfo.getNetwork());
 
         // Verify onServiceUpdated was called once for the second response.
         verify(mockListenerOne).onServiceUpdated(serviceInfoCaptor.capture());
@@ -546,6 +561,7 @@
         assertEquals(updatedServiceInfo.getSubtypes(), Collections.singletonList("ABCDE"));
         assertEquals(updatedServiceInfo.getAttributeByKey("key"), "value");
         assertEquals(updatedServiceInfo.getInterfaceIndex(), 20);
+        assertEquals(NETWORK, updatedServiceInfo.getNetwork());
     }
 
     private void verifyServiceRemovedNoCallback(MdnsServiceBrowserListener listener) {
@@ -554,15 +570,17 @@
     }
 
     private void verifyServiceRemovedCallback(MdnsServiceBrowserListener listener,
-            String serviceName, String[] serviceType, int interfaceIndex) {
+            String serviceName, String[] serviceType, int interfaceIndex, Network network) {
         verify(listener).onServiceRemoved(argThat(
                 info -> serviceName.equals(info.getServiceInstanceName())
                         && Arrays.equals(serviceType, info.getServiceType())
-                        && info.getInterfaceIndex() == interfaceIndex));
+                        && info.getInterfaceIndex() == interfaceIndex
+                        && network.equals(info.getNetwork())));
         verify(listener).onServiceNameRemoved(argThat(
                 info -> serviceName.equals(info.getServiceInstanceName())
                         && Arrays.equals(serviceType, info.getServiceType())
-                        && info.getInterfaceIndex() == interfaceIndex));
+                        && info.getInterfaceIndex() == interfaceIndex
+                        && network.equals(info.getNetwork())));
     }
 
     @Test
@@ -580,11 +598,13 @@
                         5353 /* port */,
                         /* subtype= */ "ABCDE",
                         Collections.emptyMap(),
-                        INTERFACE_INDEX);
+                        INTERFACE_INDEX,
+                        NETWORK);
         client.processResponse(initialResponse);
         MdnsResponse response = mock(MdnsResponse.class);
         doReturn("goodbye-service").when(response).getServiceInstanceName();
         doReturn(INTERFACE_INDEX).when(response).getInterfaceIndex();
+        doReturn(NETWORK).when(response).getNetwork();
         doReturn(true).when(response).isGoodbye();
         client.processResponse(response);
         // Verify removed callback won't be called if the service is not existed.
@@ -595,9 +615,9 @@
         doReturn(serviceName).when(response).getServiceInstanceName();
         client.processResponse(response);
         verifyServiceRemovedCallback(
-                mockListenerOne, serviceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX);
+                mockListenerOne, serviceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX, NETWORK);
         verifyServiceRemovedCallback(
-                mockListenerTwo, serviceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX);
+                mockListenerTwo, serviceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX, NETWORK);
     }
 
     @Test
@@ -610,7 +630,8 @@
                         5353,
                         /* subtype= */ "ABCDE",
                         Collections.emptyMap(),
-                        INTERFACE_INDEX);
+                        INTERFACE_INDEX,
+                        NETWORK);
         client.processResponse(initialResponse);
 
         client.startSendAndReceive(mockListenerOne, MdnsSearchOptions.getDefaultOptions());
@@ -625,7 +646,8 @@
                 5353 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         // Verify onServiceFound was called once for the existing response.
         verify(mockListenerOne).onServiceFound(serviceInfoCaptor.capture());
@@ -662,7 +684,7 @@
         MdnsResponse initialResponse =
                 createMockResponse(
                         serviceInstanceName, "192.168.1.1", 5353, List.of("ABCDE"),
-                        Map.of(), INTERFACE_INDEX);
+                        Map.of(), INTERFACE_INDEX, NETWORK);
         client.processResponse(initialResponse);
 
         // Clear the scheduled runnable.
@@ -696,7 +718,7 @@
         MdnsResponse initialResponse =
                 createMockResponse(
                         serviceInstanceName, "192.168.1.1", 5353, List.of("ABCDE"),
-                        Map.of(), INTERFACE_INDEX);
+                        Map.of(), INTERFACE_INDEX, NETWORK);
         client.processResponse(initialResponse);
 
         // Clear the scheduled runnable.
@@ -714,8 +736,8 @@
         firstMdnsTask.run();
 
         // Verify removed callback was called.
-        verifyServiceRemovedCallback(
-                mockListenerOne, serviceInstanceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX);
+        verifyServiceRemovedCallback(mockListenerOne, serviceInstanceName, SERVICE_TYPE_LABELS,
+                INTERFACE_INDEX, NETWORK);
     }
 
     @Test
@@ -736,7 +758,7 @@
         MdnsResponse initialResponse =
                 createMockResponse(
                         serviceInstanceName, "192.168.1.1", 5353, List.of("ABCDE"),
-                        Map.of(), INTERFACE_INDEX);
+                        Map.of(), INTERFACE_INDEX, NETWORK);
         client.processResponse(initialResponse);
 
         // Clear the scheduled runnable.
@@ -770,7 +792,7 @@
         MdnsResponse initialResponse =
                 createMockResponse(
                         serviceInstanceName, "192.168.1.1", 5353, List.of("ABCDE"),
-                        Map.of(), INTERFACE_INDEX);
+                        Map.of(), INTERFACE_INDEX, NETWORK);
         client.processResponse(initialResponse);
 
         // Clear the scheduled runnable.
@@ -781,8 +803,8 @@
         firstMdnsTask.run();
 
         // Verify removed callback was called.
-        verifyServiceRemovedCallback(
-                mockListenerOne, serviceInstanceName, SERVICE_TYPE_LABELS, INTERFACE_INDEX);
+        verifyServiceRemovedCallback(mockListenerOne, serviceInstanceName, SERVICE_TYPE_LABELS,
+                INTERFACE_INDEX, NETWORK);
     }
 
     @Test
@@ -801,7 +823,8 @@
                         5353,
                         "ABCDE" /* subtype */,
                         Collections.emptyMap(),
-                        INTERFACE_INDEX);
+                        INTERFACE_INDEX,
+                        NETWORK);
         client.processResponse(initialResponse);
 
         // Process a second response which has ip address to make response become complete.
@@ -812,7 +835,8 @@
                         5353,
                         "ABCDE" /* subtype */,
                         Collections.emptyMap(),
-                        INTERFACE_INDEX);
+                        INTERFACE_INDEX,
+                        NETWORK);
         client.processResponse(secondResponse);
 
         // Process a third response with a different ip address, port and updated text attributes.
@@ -823,7 +847,8 @@
                         5354,
                         "ABCDE" /* subtype */,
                         Collections.singletonMap("key", "value"),
-                        INTERFACE_INDEX);
+                        INTERFACE_INDEX,
+                        NETWORK);
         client.processResponse(thirdResponse);
 
         // Process the last response which is goodbye message.
@@ -842,7 +867,8 @@
                 5353 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         // Verify onServiceFound was second called for the second response.
         inOrder.verify(mockListenerOne).onServiceFound(serviceInfoCaptor.capture());
@@ -854,7 +880,8 @@
                 5353 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", null) /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         // Verify onServiceUpdated was third called for the third response.
         inOrder.verify(mockListenerOne).onServiceUpdated(serviceInfoCaptor.capture());
@@ -866,7 +893,8 @@
                 5354 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", "value") /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         // Verify onServiceRemoved was called for the last response.
         inOrder.verify(mockListenerOne).onServiceRemoved(serviceInfoCaptor.capture());
@@ -878,7 +906,8 @@
                 5354 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", "value") /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
 
         // Verify onServiceNameRemoved was called for the last response.
         inOrder.verify(mockListenerOne).onServiceNameRemoved(serviceInfoCaptor.capture());
@@ -890,7 +919,8 @@
                 5354 /* port */,
                 Collections.singletonList("ABCDE") /* subTypes */,
                 Collections.singletonMap("key", "value") /* attributes */,
-                INTERFACE_INDEX);
+                INTERFACE_INDEX,
+                NETWORK);
     }
 
     // verifies that the right query was enqueued with the right delay, and send query by executing
@@ -962,26 +992,25 @@
             int port,
             @NonNull List<String> subtypes,
             @NonNull Map<String, String> textAttributes,
-            int interfaceIndex)
+            int interfaceIndex,
+            Network network)
             throws Exception {
         String[] hostName = new String[]{"hostname"};
         MdnsServiceRecord serviceRecord = mock(MdnsServiceRecord.class);
         when(serviceRecord.getServiceHost()).thenReturn(hostName);
         when(serviceRecord.getServicePort()).thenReturn(port);
 
-        MdnsResponse response = spy(new MdnsResponse(0));
+        MdnsResponse response = spy(new MdnsResponse(0, interfaceIndex, network));
 
         MdnsInetAddressRecord inetAddressRecord = mock(MdnsInetAddressRecord.class);
         if (host.contains(":")) {
             when(inetAddressRecord.getInet6Address())
                     .thenReturn((Inet6Address) Inet6Address.getByName(host));
             response.setInet6AddressRecord(inetAddressRecord);
-            response.setInterfaceIndex(interfaceIndex);
         } else {
             when(inetAddressRecord.getInet4Address())
                     .thenReturn((Inet4Address) Inet4Address.getByName(host));
             response.setInet4AddressRecord(inetAddressRecord);
-            response.setInterfaceIndex(interfaceIndex);
         }
 
         MdnsTextRecord textRecord = mock(MdnsTextRecord.class);
@@ -1011,10 +1040,10 @@
             int port,
             @NonNull String subtype,
             @NonNull Map<String, String> textAttributes,
-            int interfaceIndex)
+            int interfaceIndex,
+            Network network)
             throws Exception {
-        MdnsResponse response = new MdnsResponse(0);
-        response.setInterfaceIndex(interfaceIndex);
+        MdnsResponse response = new MdnsResponse(0, interfaceIndex, network);
 
         // Set PTR record
         final MdnsPointerRecord pointerRecord = new MdnsPointerRecord(