A free database that tells you the country and the Autonomous System of every IP address, and which networks are anycast, satellite providers or hostile. It is updated daily, cryptographically signed and made for firewalls and fast lookups. It comes with libloc, a library and command line tool to query the database.
Fund this project
Lightning Wire Labs GmbH
www.ipfire.org/location
www.ipfire.org/location/install