Upstream networks
AS1213 HEANET
Unclassified RIPE Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS1213: 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 | 300 |
| AS21320 | GEANT Vereniging | Unclassified | IPv4 IPv6 | 263 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 134 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 130 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 123 |
| AS20965 | GEANT Vereniging | Unclassified | IPv4 IPv6 | 80 |
| AS3303 | Swisscom (Schweiz) AG | Residential | IPv4 IPv6 | 35 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 18 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 | 1 |
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 2026-10-28 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.21M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.