Adjacent networks
AS21554 CYBERLYNK - Wisconsin CyberLynk Network, Inc.
Hosting ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS21554 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS40264 | Charter Communications LLC | Unclassified | IPv4 | 1,165 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 1,146 |
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 770 |
| AS30517 | Great Lakes Comnet, Inc. | Unclassified | IPv4 | 502 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 IPv6 | 461 |
| AS54110 | Modulis | Unclassified | IPv4 | 244 |
| AS7018 | AT&T Enterprises, LLC | Residential | IPv4 IPv6 | 149 |
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 2026-11-03 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.45M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.