Upstream networks
AS122 UPMC-AS122 - UPMC
Unclassified ARIN Enterprise
Transit
Upstream networks
Networks observed carrying traffic for AS122: 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 IPv6 | 254 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 154 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 135 |
| AS7016 | Comcast Cable Communications, LLC | Unclassified | IPv4 IPv6 | 38 |
| AS701 | Verizon Business | Residential | IPv4 IPv6 | 25 |
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 2026-11-07 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 72.97M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.