AS39961 ASPA Check - San Francisco Department Of Telecommunications And Information Services

Published

CCSF - San Francisco Department of Telecommunications and Information Services🇺🇸 - ASPA check for AS39961: the upstream transit providers AS39961 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS39961 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
4
Downstream Customers
0

How to read this ASPA check

The 4 providers below are the only networks allowed to appear directly above AS39961 in an AS-path. If AS39961 uses a transit provider that is missing from this list, routers that enforce ASPA treat its routes through that provider as invalid, so the list should include every current and backup transit provider. Peers do not belong in it.

Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.

Peering Topology

AS39961 peering topology: 4 upstream providers and 0 downstream customersUpstreams: AS6939, AS7018, AS7922, AS11040. No downstreams.AS39961 - CCSF - San Francisco Department of Telecommunications and Information ServicesAS39961CCSF - San Francisco …AS6939HURRICANE - Hurricane…AS6939 - HURRICANE - Hurricane Electric LLCAS7018ATT-INTERNET4 - ATT E…AS7018 - ATT-INTERNET4 - ATT Enterprises, LLCAS7922COMCAST-7922 - Comcas…AS7922 - COMCAST-7922 - Comcast Cable Communications, LLCAS11040FMR-AS1 - FMR LLCAS11040 - FMR-AS1 - FMR LLCUPSTREAMSDOWNSTREAMS

Upstream Providers(4)

AS39961 authorizes these ASNs as upstream transit providers.

ASNName
AS6939🇺🇸HURRICANE - Hurricane Electric LLC
AS7018🇺🇸ATT-INTERNET4 - AT&T Enterprises, LLC
AS7922🇺🇸COMCAST-7922 - Comcast Cable Communications, LLC
AS11040🇺🇸FMR-AS1 - FMR LLC

ASPA object expires: 2026-10-12

Related Tools and Guides

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