--- Net-IP-1.25/IP.pm.bz197425	2006-05-22 12:46:40.000000000 -0400
+++ Net-IP-1.25/IP.pm	2006-07-05 15:20:26.000000000 -0400
@@ -410,7 +410,7 @@
 
     my $int = ip_bintoint($self->binip());
 
-    if (!$int) {
+    if (ref($int) ne "Math::BigInt") {
         $self->{error} = $ERROR;
         $self->{errno} = $ERRNO;
         return;