Upstream networks
AS40615 BCHD-AS-1 - University Health System
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS40615: 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 |
|---|---|---|---|---|
| AS11427 | Charter Communications Inc | Residential | IPv4 | 275 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 | 18 |
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 2026-11-06 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.00M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.