maxmind / MaxMind-DB

Spec and test data for the MaxMind DB file format

MaxMind DB is a binary file format that stores data indexed by IP address subnets (IPv4 or IPv6).

This repository contains the spec for that format as well as test databases.

Copyright and License

This software is Copyright (c) 2013 - 2024 by MaxMind, Inc.

This is free software, licensed under the Apache License, Version 2.0 or the MIT License, at your option.