diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index 5e6f42b596..8adb3800f2 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -433,7 +433,7 @@ static RPCHelpMan disconnectnode()
                 "\nStrictly one out of 'address' and 'nodeid' can be provided to identify the node.\n"
                 "\nTo disconnect by nodeid, either set 'address' to the empty string, or call using the named 'nodeid' argument only.\n",
                 {
-                    {"address", RPCArg::Type::STR, RPCArg::DefaultHint{"fallback to nodeid"}, "The IP address/port of the node"},
+                    {"address", RPCArg::Type::STR, RPCArg::DefaultHint{"fallback to nodeid"}, "The IP address/port of the node or subnet"},
                     {"nodeid", RPCArg::Type::NUM, RPCArg::DefaultHint{"fallback to address"}, "The node ID (see getpeerinfo for node IDs)"},
                 },
                 RPCResult{RPCResult::Type::NONE, "", ""},
@@ -454,7 +454,16 @@ static RPCHelpMan disconnectnode()
 
     if (!address_arg.isNull() && id_arg.isNull()) {
         /* handle disconnect-by-address */
-        success = connman.DisconnectNode(address_arg.get_str());
+        if (address_arg.get_str().find('/') != std::string::npos) {
+            const CSubNet subnet = LookupSubNet(address_arg.get_str());
+            if (subnet.IsValid()) {
+                success = connman.DisconnectNode(subnet);
+            } else {
+                throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid subnet");
+            }
+        } else {
+            success = connman.DisconnectNode(address_arg.get_str());
+        }
     } else if (!id_arg.isNull() && (address_arg.isNull() || (address_arg.isStr() && address_arg.get_str().empty()))) {
         /* handle disconnect-by-id */
         NodeId nodeid = (NodeId) id_arg.getInt<int64_t>();