diff --git a/gestion/iptools.py b/gestion/iptools.py
index 68f18085..bc72e221 100755
--- a/gestion/iptools.py
+++ b/gestion/iptools.py
@@ -91,3 +91,7 @@ def AddrInNet(ip,net) :
 	r = r or QuadToDec(n['netmask']) & QuadToDec(ip) == QuadToDec(n['network'])
 	
     return r
+
+if __name__ == '__main__' :
+    import sys
+    print param(sys.argv[1])