Adjacent networks
AS18663 UOP-AS
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS18663 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 112 |
| AS16504 | Granite Telecommunications LLC | Unclassified | IPv4 | 60 |
| AS33667 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 9 |
| AS33651 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 1 |
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 2026-10-29 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.36M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.