haraka-plugin-asn
May 29, 2026 ยท View on GitHub
look up ASN from local GeoIP databases and/or DNS based providers.
DNS providers
- origin.asn.cymru.com
- asn.routeviews.org
- asn.rspamd.com
Databases
- MaxMind ASN database
PS: Run something like maxmind-geolite-mirror weekly to keep your database files up-to-date.