Upstream networks
AS1133 UTWENTE-AS University Twente
Education RIPE Educational/Research
Transit
Upstream networks
Networks observed carrying traffic for AS1133: 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 |
|---|---|---|---|---|
| AS1103 | SURF B.V. | Unclassified | IPv4 IPv6 | 77 |
| AS35133 | Eranium B.V. | Hosting | IPv6 | 20 |
| AS50304 | Blix Solutions AS | Unclassified | IPv6 | 2 |
| AS24482 | SG.GS | Hosting | IPv6 | 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 2026-10-30 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.49M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.