sub Obtain_GeoIP {
        $GeoIP_resolved++;
        my ($IP) = @_;
        if($IP=~/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ &&(($1<=255  && $2<=255 && $3<=255  &&$4<=255 )))
        {
        my @sip = split(/\./,$IP);
        if (($sip[0] == "10") || ($sip[0] == "192" && $sip[1] == "168") || (($sip[0] == "172" && $sip[1] >= "16") && ($sip[0] == "172" && $sip[1] <= "31")))
        {
                return "Internal Network";
        } else {
                if ( exists $geoip_hash{IP} ) { my $country_hash = $geoip_hash{IP}; return $country_hash; }
                my $country = $gi->country_name_by_addr($IP);
                $geoip_hash{$IP} = $country;
                return $country;
        }
        } else {
                print EFILE "IP address sent to Obtain_GeoIP routine was incorrect: $IP - $counter\n";
        }
}