AS numbers

AS21789

AS21789 is registered with ARIN (US) since 2001-06-21.

Run the full network report BGP lookup WHOIS PeeringDB lookup

Routing health

• Partial result: RIPEstat did not return the prefixes, neighbours in time.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

More about AS21789

• Network report: routing, RPKI, IRR, registration and PeeringDB, with what to fix
• BGP lookup: prefixes and neighbours
• WHOIS / RDAP: the registry record and abuse contact
• RPKI check for a prefix and origin

← AS21788 AS21790 →

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 00:46 UTC. The country is where the AS number was registered, not necessarily where the network operates.