Upstream networks
AS13576 SDNW-13576 - SDN Communications
Residential ARIN
Transit
Upstream networks
Networks observed carrying traffic for AS13576: 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 |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 3,481 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 647 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 293 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 205 |
| AS3257 | GTT Communications Inc. | Transit | IPv4 IPv6 | 129 |
| AS393417 | SDN Communications | Unclassified | IPv4 | 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 2026-11-11 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 73.24M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.