AS-21CTL-BT
AS-21CTL-BT: IRR AS-SET with 2 ASN members, 0 child sets and 0 parent sets. Browse the member list, AS-SET hierarchy and member ASN details.
Comprehensive routing analytics platform
AS-21CTL-BT: IRR AS-SET with 2 ASN members, 0 child sets and 0 parent sets. Browse the member list, AS-SET hierarchy and member ASN details.
ASPA (Autonomous System Provider Authorization) is an RPKI object that lists which upstream providers an ASN authorizes.
In short: the listed providers are authorized to carry this ASN as a customer.
Geofeed (RFC 8805) lets network operators publish authoritative geolocation data for their IP prefixes in a simple CSV file.
192.0.2.0/24,US,US-CA,Los Angeles,90001 2001:db8::/32,DE,DE-BE,Berlin,10115
https://example.com/geo/geofeed.csv).geofeed: attribute to your inetnum/inet6num RPSL object at your RIR:
remarks: Geofeed https://example.com/geo/geofeed.csv geofeed: https://example.com/geo/geofeed.csv
Once published, geo-IP providers and tools like this one will automatically discover and use your geofeed data.
You can search by different input types:
AS-GOOGLE) — exact lookup showing members, child sets, and parent sets.15169 or AS15169) — find all AS-SETs this ASN is a member of.8.8.8.8 or 2001:4860::1) — finds the origin ASN via BGP, then shows its AS-SET memberships.Partial match checkbox enables substring search across all AS-SET names (e.g. searching GOOGLE finds AS-GOOGLE, AS-GOOGLE-CLOUD, etc.).