diff --git a/api/system-current.txt b/api/system-current.txt
index ee5c35f606a50..2a50e92435774 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -6258,8 +6258,8 @@ package android.net {
 
   public class Network implements android.os.Parcelable {
     ctor public Network(@NonNull android.net.Network);
+    method public int getNetId();
     method @NonNull public android.net.Network getPrivateDnsBypassingCopy();
-    field public final int netId;
   }
 
   public abstract class NetworkAgent {
diff --git a/api/test-current.txt b/api/test-current.txt
index 4704c0b11d49c..24b55af721094 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -1820,6 +1820,7 @@ package android.net {
 
   public class Network implements android.os.Parcelable {
     ctor public Network(@NonNull android.net.Network);
+    method public int getNetId();
     method @NonNull public android.net.Network getPrivateDnsBypassingCopy();
   }
 
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index 6f5471baa7abd..f807a4968d725 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -64,7 +64,7 @@ public class Network implements Parcelable {
      * The unique id of the network.
      * @hide
      */
-    @SystemApi
+    @UnsupportedAppUsage
     public final int netId;
 
     // Objects used to perform per-network operations such as getSocketFactory
@@ -169,6 +169,17 @@ public class Network implements Parcelable {
         return new Network(netId, true);
     }
 
+    /**
+     * Get the unique id of the network.
+     *
+     * @hide
+     */
+    @TestApi
+    @SystemApi
+    public int getNetId() {
+        return netId;
+    }
+
     /**
      * Returns a netid marked with the Private DNS bypass flag.
      *
diff --git a/packages/Tethering/src/com/android/server/connectivity/tethering/Tethering.java b/packages/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
index 039143df64fe9..36113acf97d37 100644
--- a/packages/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
+++ b/packages/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
@@ -1494,7 +1494,7 @@ public class Tethering {
             } else {
                 dnsServers = mConfig.defaultIPv4DNS;
             }
-            final int netId = (network != null) ? network.netId : NETID_UNSET;
+            final int netId = (network != null) ? network.getNetId() : NETID_UNSET;
             try {
                 mNetd.tetherDnsSet(netId, dnsServers);
                 mLog.log(String.format(