Upstream networks
AS40391 CHSINC
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS40391: 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 | 103 |
| AS33657 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 63 |
| AS13367 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 61 |
| AS15165 | Mutual Telephone Company | Unclassified | IPv4 | 61 |
| AS33650 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 60 |
| AS15830 | Equinix (EMEA) Acquisition Enterprises B.V. | Hosting | IPv4 | 56 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 15 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 3 |
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 2026-10-27 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.06M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.