Upstream networks
AS25512 CDT-AS CD-Telematika a.s.
Unclassified RIPE NSP
Transit
Upstream networks
Networks observed carrying traffic for AS25512: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 420 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 123 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 81 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 28 |
| AS1764 | Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | Unclassified | IPv4 IPv6 | 12 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 12 |
| AS29504 | Freenet Liberec, z.s. | Unclassified | IPv4 IPv6 | 12 |
Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you.
Derived from routing tables collected at 2026-10-31 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.50M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.