Free IP Geolocation Database

Introduction IP2Location™ is a non-intrusive IP geolocation solution to help you to identify visitor's geographical location by mapping IP address to comprehensive geo information, such as country, region, city, latitude/longitude, ZIP code, time zone, connection speed, ISP and domain name, IDD country code, area code, weather station code and name, mobile carrier information, elevation & usage ty

[UME]

ここのデータを定期的に取得して対象のIPアドレスの国を判別するだけでいいか・・ なんか適当なAPIがあればいいかと思ったけどデータもあるし不要かなぁ自分でなんか作るかなぁ？

[m_m3zono]

IPに関する各種情報のデータベース／APIではなくデータDLのみ？／LITE版はオープンソース／商用利用可能／各種制限と利用規約に注意

[shimooka]

『The LITE edition is an open-source version of database with limited accuracy & number of records. It is free for personal or commercial use with attribution required.』ほー