Upstream networks
AS19320 FLEX-WDF
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS19320: 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 |
|---|---|---|---|---|
| AS33657 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 142 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 | 67 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 | 27 |
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 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.