Adjacent networks
AS27321 ISC-F-AS
Unclassified ARIN
Adjacency
Adjacent networks
Every AS seen directly next to AS27321 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 434 |
| AS6461 | Zayo Bandwidth | Transit | IPv4 IPv6 | 123 |
| AS3557 | Internet Systems Consortium, Inc. | Unclassified | IPv4 | 2 |
| AS58057 | Securebit AG | Unclassified | IPv6 | 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 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.