anon ip tester and country

#!/bin/bash

IP=IP
URL=URL

for i in `cat ips.txt`; do
        RET=`curl -m 2 -s -x ${i} ${URL}`

        if [ $? -eq 0 ]; then
                GOOD=`echo $RET | grep -c ${IP}`;
                if [ $GOOD -eq 0 ]; then
                        echo -n "${i}  ";
                        GEO=`geoiplookup ${i%:*}`;
                        echo ${GEO#GeoIP Country Edition: };
                fi
        fi
done