Lambda GeoIP is a PHP script that allows you to figure out the physical location of a visitor by their IP address. You can determine their continent, country, region, city, area code, postal code, latitude, longitude, and ISP.
Lambda GeoIP is completely self hosted, easy (just 1 line of code), fast, and secure. For a list of functions and quick tutorials visit http://www.lambdageoip.com.
$20 for a 3 domain license or $30 for a 10 domain license. Licenses last forever and updates are free.
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