ip-location-db/geolite2-asn-mmdb

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Database	Type	License	Updated	IPv4	IPv6	IPv4-num	IPv6-num
GeoLite2	ASN	GeoLite2 License by MaxMind	Twice weekly	CSV MMDB	CSV MMDB	CSV	CSV

MMDB Format

autonomous_system_number, autonomous_system_organization

autonomous_system_number

autonomous_system_number is a unique number assigned to an Autonomous System (AS) by the IANA. wiki.

Referenced Database and License

GeoLite2 database [Update: Twice weekly]

GeoLite2 is created by MaxMind. The license of GeoLite2 is written in GEOLITE2_LICENSE and End User License Agreement (EULA) is written in GEOLITE2_EULA. Please carefully read the GEOLITE2_LICENSE and GEOLITE2_EULA files, if you use these database. This package comes with certain restrictions and obligations, most notably:

• You cannot prevent the library from updating the databases.
• You cannot use the GeoLite2 data:
  • for FCRA purposes,
  • to identify specific households or individuals.

You can read the latest version of GeoLite2 EULA. GeoLite2 databse is provided under CC BY-SA 4.0 by MaxMind, so, you must create attribution to MaxMind for using GeoLite2 database. If you need better accuracy, please use the commercial version GeoIp2.