diff --git a/src/netaddress.cpp b/src/netaddress.cpp
--- a/src/netaddress.cpp
+++ b/src/netaddress.cpp
@@ -178,7 +178,7 @@
 }
 
 bool CNetAddr::IsLocal() const {
-    // IPv4 loopback
+    // IPv4 loopback (127.0.0.0/8 or 0.0.0.0/8)
     if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0)) {
         return true;
     }