AS272996 ASPA Check - SINCERE NETWORKS B.V

Published

AS272996 - SINCERE NETWORKS B.V.🇨🇼 - ASPA check for AS272996: the upstream transit providers AS272996 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS272996 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 AS272996 in an AS-path. If AS272996 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

AS272996 peering topology: 2 upstream providers and 1 downstream customerUpstreams: AS26505, AS52391. Downstreams: AS19281.AS272996 - AS272996 - SINCERE NETWORKS B.V.AS272996AS272996 - SINCERE NE…AS26505AS26505 - E-Commerce …AS26505 - AS26505 - E-Commerce Park, N.V.AS52391AS52391 - Curacao Tec…AS52391 - AS52391 - Curacao Technology Exchange N.V (CTEX)AS19281QUAD9-AS-1 - Quad9AS19281 - QUAD9-AS-1 - Quad9UPSTREAMSDOWNSTREAMS

Upstream Providers(2)

AS272996 authorizes these ASNs as upstream transit providers.

ASNName
AS26505🇨🇼AS26505 - E-Commerce Park, N.V.
AS52391🇨🇼AS52391 - Curacao Technology Exchange N.V (CTEX)

Downstream Customers(1)

These ASNs list AS272996 as an authorized upstream provider.

ASNName
AS19281🇺🇸QUAD9-AS-1 - Quad9

ASPA object expires: 2026-10-30

Related Tools and Guides

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