Maxmind GeoIp database. If you plan to use it, remember to pay forma it and upgrade every 2-5 days. If I remember well, about 1% of the results were not up to

Maxmind GeoIp database. If you plan to use it, remember to pay forma it and upgrade every 2-5 days. If I remember well, about 1% of the results were not up to date after 7 days. And the free database was at least 2-3 weeks old.