AS57757 ASPA Check - ALOPEX Jonas Meier

Published

ALOPEX Jonas Meier🇨🇭 - ASPA check for AS57757: the upstream transit providers AS57757 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS57757 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 AS57757 in an AS-path. If AS57757 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(3)

AS57757 authorizes these ASNs as upstream transit providers.

ASNName
AS12307🇨🇭RAVANA Sandro Bolliger trading as Bolliger Network Solutions
AS34182🇨🇭RACKBLACK rack.black Verein
AS50869🇨🇭FREEIX-REMOTE IPng Networks GmbH

ASPA object expires: 2026-10-27

Related Tools and Guides