AS201132 ASPA Check - MSCode Mateusz Sikorski Trading MSCode

Published

MSCode Mateusz Sikorski trading as MSCode🇵🇱 - ASPA check for AS201132: the upstream transit providers AS201132 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS201132 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
2
Downstream Customers
1

How to read this ASPA check

The 2 providers below are the only networks allowed to appear directly above AS201132 in an AS-path. If AS201132 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

AS201132 peering topology: 2 upstream providers and 1 downstream customerUpstreams: AS212895, AS214762. Downstreams: AS219455.AS201132 - MSCode Mateusz Sikorski trading as MSCodeAS201132MSCode Mateusz Sikors…AS212895ROUTE64_ORG Johannes …AS212895 - ROUTE64_ORG Johannes ErnstAS214762MATHOST Sebastian Ste…AS214762 - MATHOST Sebastian Stefanek trading as MatHost.euAS219455ALEKSWILC Aleksander …AS219455 - ALEKSWILC Aleksander Wilczynski trading as ALEKSWILCUPSTREAMSDOWNSTREAMS

Upstream Providers(2)

AS201132 authorizes these ASNs as upstream transit providers.

ASNName
AS212895🇩🇪ROUTE64_ORG Johannes Ernst
AS214762🇵🇱MATHOST Sebastian Stefanek trading as MatHost.eu

Downstream Customers(1)

These ASNs list AS201132 as an authorized upstream provider.

ASNName
AS219455🇵🇱ALEKSWILC Aleksander Wilczynski trading as ALEKSWILC

ASPA object expires: 2026-10-27

Related Tools and Guides

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