Adjacent networks
AS27580 ENGINEERING-ASN1
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS27580 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS33652 | Comcast Cable Communications, LLC | Unclassified | IPv4 IPv6 | 94 |
| AS33667 | Comcast Cable Communications, LLC | Unclassified | IPv4 IPv6 | 86 |
| AS35985 | One Ring Networks, Inc. | Residential | IPv4 IPv6 | 40 |
| AS33651 | Comcast Cable Communications, LLC | Unclassified | IPv4 | 29 |
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 2026-10-18 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.