Adjacent networks
AS103 NWU-AS
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS103 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS2381 | WiscNet | Unclassified | IPv4 IPv6 | 943 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 | 159 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 154 |
| AS22335 | Metropolitan Research and Education Network | Unclassified | IPv4 IPv6 | 144 |
| AS33491 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 107 |
| AS293 | ESnet | Unclassified | IPv4 | 22 |
| AS11537 | Internet2 | Unclassified | IPv4 | 15 |
| AS11164 | Internet2 | Education | IPv4 | 6 |
| AS396450 | Internet2 | Unclassified | IPv4 | 5 |
| AS149433 | FM Networks | Unclassified | IPv6 | 4 |
Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.
Derived from routing tables collected at 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.