AS209097 ASPA Check - NETSYST SAS

Published

NETSYST NETSYST SAS🇫🇷 - ASPA check for AS209097: the upstream transit providers AS209097 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS209097 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
7
Downstream Customers
3

How to read this ASPA check

The 7 providers below are the only networks allowed to appear directly above AS209097 in an AS-path. If AS209097 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

AS209097 peering topology: 7 upstream providers and 3 downstream customersUpstreams: AS174, AS1299, AS2027, AS3215, AS35625, AS39801, AS62000. Downstreams: AS2027, AS207607, AS208166.AS209097 - NETSYST NETSYST SASAS209097NETSYST NETSYST SASAS174COGENT-174 - Cogent C…AS174 - COGENT-174 - Cogent Communications, LLCAS1299TWELVE99 Arelion Swed…AS1299 - TWELVE99 Arelion Sweden ABAS2027MilkyWan MilkyWan Ass…AS2027 - MilkyWan MilkyWan AssociationAS3215AS3215 Orange S.A.AS3215 - AS3215 Orange S.A.AS35625EUROFIBER-FRANCE Euro…AS35625 - EUROFIBER-FRANCE Eurofiber France SASAS39801FRANCE-IX-L3P France …AS39801 - FRANCE-IX-L3P France IX Services SASUAS62000AS62000 SERVERD SASAS62000 - AS62000 SERVERD SASAS2027MilkyWan MilkyWan Ass…AS2027 - MilkyWan MilkyWan AssociationAS207607NETSYST NETSYST SASAS207607 - NETSYST NETSYST SASAS208166SHOPIMIND ShopyMind S…AS208166 - SHOPIMIND ShopyMind SASUPSTREAMSDOWNSTREAMS

Upstream Providers(7)

AS209097 authorizes these ASNs as upstream transit providers.

ASNName
AS174🇺🇸COGENT-174 - Cogent Communications, LLC
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS2027🇫🇷MilkyWan MilkyWan Association
AS3215🇫🇷AS3215 Orange S.A.
AS35625🇫🇷EUROFIBER-FRANCE Eurofiber France SAS
AS39801🇫🇷FRANCE-IX-L3P France IX Services SASU
AS62000🇫🇷AS62000 SERVERD SAS

Downstream Customers(3)

These ASNs list AS209097 as an authorized upstream provider.

ASNName
AS2027🇫🇷MilkyWan MilkyWan Association
AS207607🇫🇷NETSYST NETSYST SAS
AS208166🇫🇷SHOPIMIND ShopyMind SAS

ASPA object expires: 2026-10-27

Related Tools and Guides

← Back to AS209097