Add South introspection rules

netfields/fields.py

@@ -86,3 +86,13 @@ class MACAddressField(models.Field):
         defaults = {'form_class': MACAddressFormField}
         defaults.update(kwargs)
         return super(MACAddressField, self).formfield(**defaults)
+
+try:
+    from south.modelsinspector import add_introspection_rules
+    add_introspection_rules([], [
+        "^netfields\.fields\.InetAddressField",
+        "^netfields\.fields\.CidrAddressField",
+        "^netfields\.fields\.MACAddressField",
+    ])
+except ImportError:
+    pass