AS203898 ASPA Check - CLOUDFLARENET UK Cloudflare

Published

CLOUDFLARENET-UK Cloudflare Inc🇺🇸 - ASPA check for AS203898: the upstream transit providers AS203898 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS203898 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 AS203898 in an AS-path. If AS203898 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

AS203898 peering topology: 3 upstream providers and 0 downstream customersUpstreams: AS1273, AS2860, AS8220. No downstreams.AS203898 - CLOUDFLARENET-UK Cloudflare IncAS203898CLOUDFLARENET-UK Clou…AS1273CW - IDDQD-ASAS1273 - CW - IDDQD-ASAS2860NOS_COMUNICACOES NOS …AS2860 - NOS_COMUNICACOES NOS COMUNICACOES, S.A.AS8220COLT COLT Technology …AS8220 - COLT COLT Technology Services Group LimitedUPSTREAMSDOWNSTREAMS

Upstream Providers(3)

AS203898 authorizes these ASNs as upstream transit providers.

ASNName
AS1273🇪🇺CW - IDDQD-AS
AS2860🇵🇹NOS_COMUNICACOES NOS COMUNICACOES, S.A.
AS8220🇬🇧COLT COLT Technology Services Group Limited

ASPA object expires: 2026-10-27

Related Tools and Guides

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