Adjacent networks
AS12521 NOVA_INTERNET_AS12521 Madrid - Spain
Unclassified RIPE
Adjacency
Adjacent networks
Every AS seen directly next to AS12521 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS15704 | XTRA TELECOM S.A. | Residential | IPv4 | 1,026 |
| AS3262 | SAREnet, S.A. | Residential | IPv4 | 360 |
| AS39398 | ARSENET SERVICIOS EN INTERNET S.L. | Unclassified | IPv4 | 48 |
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 2026-10-17 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.