++ed by:

4 PAUSE users
4 non-PAUSE users.

Dave Rolsky
and 4 contributors


GeoIP2 - Perl API for MaxMind's GeoIP2 web services and databases


version 0.040000


This distribution provides an API for the GeoIP2 web services (as documented at http://dev.maxmind.com/geoip/geoip2/web-services) and downloadable databases.

See GeoIP2::WebService::Client for details on the web service client API and GeoIP2::Database::Reader for the database API. The only downloadable database currently available is GeoLite2 City. See http://dev.maxmind.com/geoip/geoip2/geolite2/ for details.


This is a beta release. The API may change before the first production release, which will be numbered 2.0000.

You may find information on the GeoIP2 beta release process on our website.

To provide feedback or get support during the beta, please see the MaxMind Customer Community.


GeoNames (http://www.geonames.org/) offers web services and downloadable databases with data on geographical features around the world, including populated places. They offer both free and paid premium data. Each feature is uniquely identified by a geoname_id, which is an integer.

Many of the records returned by the GeoIP web services and databases include a geoname_id field. This is the ID of a geographical feature (city, region, country, etc.) in the GeoNames database.

Some of the data that MaxMind provides is also sourced from GeoNames. We source data such as place names, ISO codes, and other similar data from the GeoNames premium data set.


If the problem you find is that an IP address is incorrectly mapped, please submit your correction to MaxMind at http://www.maxmind.com/en/correction.

If you find some other sort of mistake, like an incorrect spelling, please check the GeoNames site (http://www.geonames.org/) first. Once you've searched for a place and found it on the GeoNames map view, there are a number of links you can use to correct data ("move", "edit", "alternate names", etc.). Once the correction is part of the GeoNames data set, it will be automatically incorporated into future MaxMind releases.

If you are a paying MaxMind customer and you're not sure where to submit a correction, please contact MaxMind support at for help. See http://www.maxmind.com/en/support for support details.


This module uses semantic versioning as described by http://semver.org/. Version numbers can be read as X.YYYZZZ, where X is the major number, YYY is the minor number, and ZZZ is the patch number.


MaxMind has tested this API with Perl 5.8.8 and above. Reasonable patches for earlier versions of Perl 5.8 will be applied. We will not accept patches to support any version of Perl before 5.8.

The data returned from the GeoIP2 web services includes Unicode characters in several languages. This may expose bugs in earlier versions of Perl. If Unicode support is important to you, we recommend that you use the most recent version of Perl available.


Please report all issues with this code using the GitHub issue tracker at https://github.com/maxmind/GeoIP2-perl/issues

If you are having an issue with a MaxMind service that is not specific to the client API please see http://www.maxmind.com/en/support for details.


  • Dave Rolsky <drolsky@maxmind.com>

  • Greg Oschwald <goschwald@maxmind.com>

  • Olaf Alders <oalders@maxmind.com>


Graham Knop <haarg@haarg.org>


This software is copyright (c) 2013 by MaxMind, Inc..

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.