AS39225 ASPA Check - FCIO ALT Flying Circus Internet Operations

Published

FCIO-ALT Flying Circus Internet Operations GmbH🇩🇪 - ASPA check for AS39225: the upstream transit providers AS39225 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS39225 as their provider. Routers that validate ASPA use these records to detect route leaks in BGP paths.

ASPA Status
Published
Upstream Providers
1
Downstream Customers
0

How to read this ASPA check

AS39225 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS39225 as its provider is ASPA-invalid.

Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.

Peering Topology

AS39225 peering topology: 1 upstream provider and 0 downstream customersUpstreams: transit-free (Tier 1). No downstreams.AS39225 - FCIO-ALT Flying Circus Internet Operations GmbHAS39225FCIO-ALT Flying Circu…👑Tier 1Transit-freeTransit-free - no upstream providerUPSTREAMSDOWNSTREAMS

Upstream Providers(1)

AS39225 authorizes these ASNs as upstream transit providers.

ASNName
Tier 1Transit-free - declares no upstream provider

ASPA object expires: 2026-10-12

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