AS559 ASPA Check - Switch

Published

Switch SWITCH🇨🇭 - ASPA check for AS559: the upstream transit providers AS559 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS559 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
8
Downstream Customers
3

How to read this ASPA check

The 8 providers below are the only networks allowed to appear directly above AS559 in an AS-path. If AS559 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

AS559 peering topology: 8 upstream providers and 3 downstream customersUpstreams: AS174, AS513, AS553, AS1299, AS3257, AS3356, AS20965, AS21320. Downstreams: AS553, AS211540, AS213597.AS559 - Switch SWITCHAS559Switch SWITCHAS174COGENT-174 - Cogent C…AS174 - COGENT-174 - Cogent Communications, LLCAS513CERN CERN - European …AS513 - CERN CERN - European Organization for Nuclear ResearchAS553BELWUE Universitaet S…AS553 - BELWUE Universitaet StuttgartAS1299TWELVE99 Arelion Swed…AS1299 - TWELVE99 Arelion Sweden ABAS3257GTT-BACKBONE GTT Comm…AS3257 - GTT-BACKBONE GTT Communications Inc.AS3356LEVEL3 - Level 3 Pare…AS3356 - LEVEL3 - Level 3 Parent, LLCAS20965GEANT GEANT VerenigingAS20965 - GEANT GEANT VerenigingAS21320GEANT_IAS_VRF GEANT V…AS21320 - GEANT_IAS_VRF GEANT VerenigingAS553BELWUE Universitaet S…AS553 - BELWUE Universitaet StuttgartAS211540KSGR Stiftung Kantons…AS211540 - KSGR Stiftung Kantonsspital GraubuendenAS213597QUAD9-XZRH1 Quad9 Sti…AS213597 - QUAD9-XZRH1 Quad9 StiftungUPSTREAMSDOWNSTREAMS

Upstream Providers(8)

AS559 authorizes these ASNs as upstream transit providers.

ASNName
AS174🇺🇸COGENT-174 - Cogent Communications, LLC
AS513🇨🇭CERN CERN - European Organization for Nuclear Research
AS553🇩🇪BELWUE Universitaet Stuttgart
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS3257🇺🇸GTT-BACKBONE GTT Communications Inc.
AS3356🇺🇸LEVEL3 - Level 3 Parent, LLC
AS20965🇳🇱GEANT GEANT Vereniging
AS21320🇳🇱GEANT_IAS_VRF GEANT Vereniging

Downstream Customers(3)

These ASNs list AS559 as an authorized upstream provider.

ASNName
AS553🇩🇪BELWUE Universitaet Stuttgart
AS211540🇨🇭KSGR Stiftung Kantonsspital Graubuenden
AS213597🇨🇭QUAD9-XZRH1 Quad9 Stiftung

ASPA object expires: 2026-10-27

Related Tools and Guides

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