Upstream networks
AS396291 NCH-HEALTHCARE-SYSTEM - NCH Healthcare System, Inc.
Unclassified ARIN Enterprise
Transit
Upstream networks
Networks observed carrying traffic for AS396291: 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 | 43 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 41 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 18 |
| AS33132 | Crown Castle Fiber LLC | Unclassified | IPv4 | 11 |
| AS33661 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 6 |
| AS23314 | Summit Broadband | 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 2026-11-04 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.33M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.