Adjacent networks
AS401602 KEYSTONEREN
Unclassified ARIN Educational/Research
Adjacency
Adjacent networks
Every AS seen directly next to AS401602 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 463 |
| AS8122 | Duquesne University | Education | IPv4 | 244 |
| AS394170 | Susquehanna University | Unclassified | IPv4 | 126 |
| AS31746 | Franklin and Marshall College | Unclassified | IPv4 | 120 |
| AS33154 | DQE Communications LLC | Residential | IPv4 IPv6 | 57 |
| AS11164 | Internet2 | Education | IPv4 | 45 |
| AS11537 | Internet2 | Unclassified | IPv4 | 29 |
| AS19395 | Bucks County Community College | Unclassified | IPv4 | 10 |
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 2026-10-21 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.