asn.dev

Adjacent networks

AS12 NYU-DOMAIN

Unclassified ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS12 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS6461Zayo BandwidthTransitIPv4398
AS394666NYU Langone HealthUnclassifiedIPv4 IPv6397
AS3257GTT Communications Inc.TransitIPv4 IPv6360
AS3356Level 3 Parent, LLCTransitIPv4 IPv6114
AS3754NYSERNetEducationIPv498
AS46887Crown Castle Fiber LLCUnclassifiedIPv4 IPv677
AS3269Telecom Italia S.p.A.ResidentialIPv451
AS8220COLT Technology Services Group LimitedHostingIPv420
AS137Consortium GARRUnclassifiedIPv411

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 2026-10-20 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.16M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.