diff --git a/i3/run.sh b/i3/run.sh
index 7fb0d56..99b046d 100755
--- a/i3/run.sh
+++ b/i3/run.sh
@@ -70,3 +70,17 @@ fi
 if [ "$1" = "paste" ]; then
   DISPLAY=:0.0 xdotool type --clearmodifiers --file <(xsel)
 fi
+if [ "$1" = "ip" ]; then
+  shift
+  local RET=0
+  if [ "$(hostname)" = "MMLin" ]; then
+    if  grep -q "$1" < <(ifconfig enp2s0f0); then
+      RET=1
+    fi
+  elif [ "$(hostname)" = "G2" ]; then
+    if  grep -q "$1" < <(ifconfig enp1s0;ifconfig wlp2s0); then
+      RET=1
+    fi
+  fi
+  echo $RET
+fi