For a personal project I actually integrated four different geo ip lookup sources and returned the most common (city, region, country) tuple. If there aren't an

For a personal project I actually integrated four different geo ip lookup sources and returned the most common (city, region, country) tuple. If there aren't any in common then I have it go with maxmind geoip v2 (which is from their demo page that lets you perform a limited number of lookups per 24 hours). For the traffic my app gets that's enough. But I do have to agree, maxmind's flagship database is the best there is.