Upstream networks
AS3958 AIRCANADA
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS3958: 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 |
|---|---|---|---|---|
| AS577 | Bell Canada | Mobile | IPv4 | 744 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 338 |
| AS855 | Bell Canada | Mobile | IPv4 | 118 |
| AS2686 | AT&T Enterprises, LLC | Unclassified | IPv4 | 16 |
| AS2685 | AT&T Enterprises, LLC | Unclassified | IPv4 | 11 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 9 |
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 2026-10-26 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.