Upstream networks
AS36591 ZULUCARE
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS36591: 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 |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 45 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 | 43 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 41 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 | 22 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 17 |
| AS22652 | Videotron Ltee | Residential | IPv4 | 2 |
| AS293 | ESnet | Unclassified | IPv4 | 1 |
| AS971 | PureVoltage Hosting Inc. | Unclassified | IPv4 | 1 |
| AS14907 | Wikimedia Foundation Inc. | Hosting | IPv4 | 1 |
| AS24482 | SG.GS | Hosting | IPv4 | 1 |
| AS37721 | Virtual Technologies & Solutions | Residential | 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 2026-10-12 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.