Upstream networks
AS5719 SUNYSB - State University of New York at Stony Brook
Education ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS5719: 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 |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 208 |
| AS54004 | Cablevision Lightpath LLC | Unclassified | IPv4 | 80 |
| AS13536 | FirstLight Fiber, Inc. | Residential | IPv4 IPv6 | 61 |
| AS3754 | NYSERNet | Education | IPv4 | 58 |
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 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.