asn.dev

Adjacent networks

AS131923 MCAT - MCAT Ltd.

Residential ARIN Cable/DSL/ISP

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS131923 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS4713NTT DOCOMO BUSINESS,Inc.ResidentialIPv4 IPv6322
AS17676SoftBank Corp.MobileIPv4 IPv6174
AS2519ARTERIA Networks CorporationUnclassifiedIPv4 IPv693
AS24482SG.GSHostingIPv4 IPv611
AS9002RETN LimitedUnclassifiedIPv410
AS132132MyRepublic Ltd.ResidentialIPv410
AS9304HGC Global Communications LimitedHostingIPv61

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 2026-11-07 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 72.97M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.