Download Full ASN Database

Click on the button below to download a database of all active ASN's. This database is continously updated and includes all known active Autonomous Systems (AS).

There are currently 80,052 active ASN's in the Internet with a total number of 919,451 IPv4 prefixes and 161,817 IPv6 prefixes. 378,699 ASN's are currently inactive. Inactive ASN's have no route/prefix assigned to them and are not included in this database.

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ASN Database Format

The database is in JSON format. The key is the ASN, and the value is an object with AS meta information such as org or domain. In order to learn how to download & parse the ASN database, read the documentation. The database contains key / value entries as the following:

                  "61018": {
  "asn": "61018",
  "org": "PVH B.V.",
  "domain": "gtt.net",
  "abuse": "abuse@gtt.net",
  "type": "hosting",
  "created": "2013-03-13",
  "updated": "2022-01-12",
  "rir": "ripe",
  "descr": "PVH-AS, NL",
  "country": "NL",
  "active": true,
  "prefixes": [
    "64.250.22.0/24",
    "64.250.23.0/24",
    "185.19.103.0/24"
  ]
},