GeoIP includes a C library and command-line tools to look up information in MaxMind's IP geolocation databases. Free-of-charge city and AS number databases and updated country databases are available from http://dev.maxmind.com/geoip/legacy/geolite/ (and packaged in the geolite-* packages), commercial databases and automatic update services from http://www.maxmind.com/.
WWW: https://dev.maxmind.com/geoip/legacy/downloadable/
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