asn.dev

Adjacent networks

AS11240 ATC-BROADBAND - AccessATC

Residential ARIN Cable/DSL/ISP

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS11240 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv6925
AS2914NTT America, Inc.TransitIPv4 IPv6261
AS174Cogent Communications, LLCTransitIPv4251
AS394473Brantley Telephone Company, Inc.UnclassifiedIPv4245

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 2026-11-11 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 73.24M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.