GeoIP2 is a haskell binding to the MaxMind GeoIP2 database.
It parses the database according to the MaxMind DB
specification http://maxmind.github.io/MaxMind-DB/, version 2
of the specification is supported. The free geolite2 database can
be downloaded at http://dev.maxmind.com/geoip/geoip2/geolite2/.