- http://www.proxysecurity.com/ip-address-range.php

- http://www.proxyserverprivacy.com/ipaddress_range.php

- http://www.ipaddresslocation.org/ip_...get_ranges.php

- http://www.find-ip-address.org/ip-country

- http://worldips.info

- http://www.ipaddresslocation.org