diff --git a/nmpubip b/nmpubip
new file mode 100755
index 0000000..7fee767
--- /dev/null
+++ b/nmpubip
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+if [ "$1" = "A" ]; then
+    nmcli con mod 'Wired connection 1' ipv4.addresses "$2"
+    systemctl restart NetworkManager
+fi