Upstream networks
AS399220 UPSTATE-FIBER-NETWORK
Unclassified ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS399220: 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 |
|---|---|---|---|---|
| AS13536 | FirstLight Fiber, Inc. | Residential | IPv4 IPv6 | 601 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 324 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 143 |
| AS46887 | Crown Castle Fiber LLC | Unclassified | IPv4 | 120 |
| AS11722 | Slic Network Solutions, Inc | Residential | IPv4 | 36 |
| AS7828 | Northland Communications | Unclassified | IPv4 | 8 |
| AS46414 | GoNetSpeed | Unclassified | IPv4 IPv6 | 6 |
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 2026-10-25 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.