AS30903 ASPA Check - Vtl 01 Ziggo Services B.V
Publishedvtl-as-01 Ziggo Services B.V.🇳🇱 - ASPA check for AS30903: the upstream transit providers AS30903 has authorized in its RPKI Autonomous System Provider Authorization (ASPA) object, and the networks that list AS30903 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
AS30903 publishes provider AS0: it declares itself transit-free. A BGP path in which any network appears directly above AS30903 as its provider is ASPA-invalid.
Step-by-step ASPA check guide - including how to validate an AS-path hop by hop.
Peering Topology
Upstream Providers(1)
AS30903 authorizes these ASNs as upstream transit providers.
| ASN | Name |
|---|---|
| Tier 1 | Transit-free - declares no upstream provider |
ASPA object expires: 2026-10-12
Related Tools and Guides
- How to run an ASPA check - read and verify an ASPA record step by step
- ASPA explained - how provider authorization stops route leaks
- ASPA Check tool - check the ASPA record of any other ASN
- RPKI & ROA Lookup - validate prefixes and check ASPA records for any ASN
- Global ASPA Adoption Statistics - transit-free ASNs, top upstream providers, adoption trends
- AS30903 Overview - prefixes, BGP routes, peers, and RPKI status