diff --git a/src/init.cpp b/src/init.cpp
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -723,6 +723,8 @@
                       "more than <n> kilobytes of in-mempool descendants "
                       "(default: %u).",
                       DEFAULT_DESCENDANT_SIZE_LIMIT));
+        strUsage += HelpMessageOpt("-addrmantest",
+                                   "Allows to test address relay on localhost");
     }
     strUsage += HelpMessageOpt(
         "-debug=<category>",
diff --git a/src/net.cpp b/src/net.cpp
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -182,6 +182,12 @@
     if (fListen && pnode->fSuccessfullyConnected) {
         CAddress addrLocal =
             GetLocalAddress(&pnode->addr, pnode->GetLocalServices());
+        if (gArgs.GetBoolArg("-addrmantest", false)) {
+            // use IPv4 loopback during addrmantest
+            addrLocal =
+                CAddress(CService(LookupNumeric("127.0.0.1", GetListenPort())),
+                         pnode->GetLocalServices());
+        }
         // If discovery is enabled, sometimes give our peer the address it tells
         // us that it sees us as in case it has a better idea of our address
         // than we do.
@@ -190,7 +196,7 @@
              GetRand((GetnScore(addrLocal) > LOCAL_MANUAL) ? 8 : 2) == 0)) {
             addrLocal.SetIP(pnode->GetAddrLocal());
         }
-        if (addrLocal.IsRoutable()) {
+        if (addrLocal.IsRoutable() || gArgs.GetBoolArg("-addrmantest", false)) {
             LogPrint(BCLog::NET, "AdvertiseLocal: advertising address %s\n",
                      addrLocal.ToString());
             FastRandomContext insecure_rand;