AS209740 ASPA Check - M3CONNECT

Published

M3CONNECT m3connect GmbH🇩🇪 - ASPA check for AS209740: the upstream transit providers AS209740 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS209740 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
5
Downstream Customers
0

How to read this ASPA check

The 5 providers below are the only networks allowed to appear directly above AS209740 in an AS-path. If AS209740 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.

Upstream Providers(5)

AS209740 authorizes these ASNs as upstream transit providers.

ASNName
AS3320🇩🇪DTAG Deutsche Telekom AG
AS5405🇩🇪INTERDOTLINK Inter.link GmbH
AS8220🇬🇧COLT COLT Technology Services Group Limited
AS8422🇩🇪NETCOLOGNE NetCologne Gesellschaft fur Telekommunikation mbH
AS34953🇩🇪RELAIX RelAix Networks GmbH

ASPA object expires: 2026-10-27

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