Where are your site visitors? GeoIP knows

If you maintain a portal, ecommerce site, or heavily trafficked Web site, you might appreciate the ability to identify the geographical location of your site visitors. Geolocation information can help you localize content, serve relevant local advertisements, offer a download mirror close to visitors, and detect online fraud. Techniques like whois lookup of IP addresses are of some help, but they don’t always find accurate locations. A better approach is a database that maps each IP address to a location — such as MaxMind’s GeoIP.

GeoIP is a set of databases that map IP addresses to country, city, and Internet service provider (ISP). Bundled with the data are LGPLed APIs for accessing those databases using C, PHP, Java, and a few other languages. MaxMind has released lite versions of the databases under an Open Data License, and offers databases enhanced with information from additional sources under a commercial licensing model.

Read more at Linux.com