AS25538 ASPA — IN ULM Internet Ulm/Neu Ulm E.V Upstream Provider Authorization
PublishedIN-ULM Internet Ulm/Neu-Ulm e.V.🇩🇪
ASPA Status
Published
Upstream Providers
4
Downstream Customers
1
Peering Topology
Upstream Providers(4)
AS25538 authorizes these ASNs as upstream transit providers.
| ASN | Name |
|---|---|
| AS553 | 🇩🇪BELWUE Universitaet Stuttgart |
| AS6939 | 🇺🇸HURRICANE - Hurricane Electric LLC |
| AS41051 | 🇨🇭FREETRANSIT Openfactory GmbH |
| AS48284 | 🇩🇪TELENET-AS SWU TeleNet GmbH |
Downstream Customers(1)
These ASNs list AS25538 as an authorized upstream provider.
| ASN | Name |
|---|---|
| AS219090 | 🇩🇪FIBERGARDEN Temporaerhaus e.V. |
ASPA object expires: Sep 12, 2026
Related Tools
- RPKI & ROA Lookup — validate prefixes and check ASPA records for any ASN
- Global ASPA Adoption Statistics — transit-free ASNs, top upstream providers, adoption trends
- AS25538 Overview — prefixes, BGP routes, peers, and RPKI status