AS402260 ASPA Check - University Of Colorado Medicine

Published

DR-ASN01 - University of Colorado Medicine🇺🇸 - ASPA check for AS402260: the upstream transit providers AS402260 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS402260 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
3
Downstream Customers
0

How to read this ASPA check

The 3 providers below are the only networks allowed to appear directly above AS402260 in an AS-path. If AS402260 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

AS402260 peering topology: 3 upstream providers and 0 downstream customersUpstreams: AS209, AS3356, AS12213. No downstreams.AS402260 - DR-ASN01 - University of Colorado MedicineAS402260DR-ASN01 - University…AS209CENTURYLINK-US-LEGACY…AS209 - CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLCAS3356LEVEL3 - Level 3 Pare…AS3356 - LEVEL3 - Level 3 Parent, LLCAS12213CNSQ-AS12213 - Center…AS12213 - CNSQ-AS12213 - CentersquareUPSTREAMSDOWNSTREAMS

Upstream Providers(3)

AS402260 authorizes these ASNs as upstream transit providers.

ASNName
AS209🇺🇸CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC
AS3356🇺🇸LEVEL3 - Level 3 Parent, LLC
AS12213🇺🇸CNSQ-AS12213 - Centersquare

ASPA object expires: 2026-10-28

Related Tools and Guides

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