asn.dev

Adjacent networks

AS1554 DNIC-ASBLK-01550-01601

Unclassified ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS1554 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1540Headquarters, USAISCUnclassifiedIPv411,903
AS1555United States Department of Defense (DoD)UnclassifiedIPv48,292
AS1561United States Department of Defense (DoD)UnclassifiedIPv4475
AS1585United States Department of Defense (DoD)UnclassifiedIPv4415
AS1556United States Department of Defense (DoD)UnclassifiedIPv4298
AS1580United States Department of Defense (DoD)UnclassifiedIPv4238
AS367United States Department of Defense (DoD)UnclassifiedIPv4206
AS1567United States Department of Defense (DoD)UnclassifiedIPv4180
AS1559United States Department of Defense (DoD)UnclassifiedIPv4178
AS1563United States Department of Defense (DoD)UnclassifiedIPv4178
AS1562United States Department of Defense (DoD)UnclassifiedIPv4120
AS1565United States Department of Defense (DoD)UnclassifiedIPv4119
AS1568United States Department of Defense (DoD)UnclassifiedIPv460
AS1586United States Department of Defense (DoD)UnclassifiedIPv459

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 2026-10-23 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.15M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.