IP2Location™ is a non-intrusive geo IP solution to help you to
identify visitor's geographical location, i.e. 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 type
using a proprietary IP address lookup database and technology
without invading the Internet user's privacy.

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.