AS1211 Headquarters, USAISC

AS1211 is operated by Headquarters, USAISC and registered with ARIN (US) since 1990-10-26.

It is not announcing any prefixes right now.

Run the full network report BGP lookup WHOIS PeeringDB lookup

Name	Headquarters, USAISC
Registry handle	DNIC-AS-01211
Registry (RIR)	ARIN
Country	United States (US)
Delegated on	1990-10-26
Prefixes (IPv4 / IPv6)	0 / 0

Routing health

AS1211 is not announcing anything right now.

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 AS1211

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

← AS1210 AS1212 →

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 05:49 UTC. The country is where the AS number was registered, not necessarily where the network operates.