Adjacent networks
AS21756 AS21756 - SIDERCA S.A.I.C.
Unclassified APNIC
Adjacency
Adjacent networks
Every AS seen directly next to AS21756 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS11014 | CPS | Residential | IPv4 | 185 |
| AS11664 | Techtel LMDS Comunicaciones Interactivas S.A. | Residential | IPv4 | 70 |
| AS16814 | NSS S.A. | Unclassified | IPv4 | 40 |
| AS3356 | Level 3 Parent, LLC | Transit | IPv4 | 12 |
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 2026-11-05 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 73.57M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.