Ip geolocation
IP geolocation is the process of turning an IP address into a physical location. It cannot be done with 100% accuracy, but there are a growing number of both commercial and non-commercial services that can do it pretty well.
Free services
Commercial Geolocation services
- Digital Element
- IP2Location (free query: 20 lookups/day)
- MaxMind (free service: GeoLite Country, GeoLite City; free query: 25 lookups/day at http://www.maxmind.com/app/locate_ip)
- Geobytes Commercial
Downloadable Data Sets
- Software 77
- Geobytes (commercial)
- Quova (commercial)
- CountryHawk (commercial)
- Verifia NetGeo (commercial)
- ActiveTarget (commercial)
- Java IP (InetAddress) Locator (free lookup library with database)
- CountryWhois DB (commercial)
- CountryWhois
- IPAddressGuide
- Jgsoft IP Address Geolocation (commercial w/free limited online lookups)
- Nami Media (commercial)