Upstream networks
AS21339 CONTINGENCYNETWORKS
Unclassified RIPE Cable/DSL/ISP
Transit
Upstream networks
Networks observed carrying traffic for AS21339: 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 |
|---|---|---|---|---|
| AS3170 | VeloxServ Communications Ltd | Hosting | IPv4 | 175 |
| AS49915 | Megaport (UK) Limited | Unclassified | IPv4 | 168 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 42 |
| AS8218 | Zayo Infrastructure France SA | Unclassified | IPv4 | 7 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 | 7 |
| AS24482 | SG.GS | Hosting | IPv4 | 7 |
| AS48185 | team.blue NV | Unclassified | IPv4 | 7 |
| AS50300 | CustodianDC Limited | Unclassified | IPv4 | 7 |
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 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.