asn.dev

Adjacent networks

AS399589 1111-SYSTEMS - 11 11 Systems, Inc

Unclassified ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS399589 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS14127Iland Internet Solutions CorporationHostingIPv4494
AS25645Momentum Telecom, Inc.UnclassifiedIPv4 IPv6320
AS6461Zayo BandwidthTransitIPv4 IPv6281
AS395743Static 1 LLCUnclassifiedIPv4258
AS13919ADS Alliance Data Systems, Inc.UnclassifiedIPv4122
AS19512Lyondell Chemical CompanyUnclassifiedIPv4120
AS36011Atlantic Health SystemUnclassifiedIPv467
AS14455Sungard Availability Network Solutions, Inc.UnclassifiedIPv461
AS174Cogent Communications, LLCTransitIPv459
AS36126Rewards Network Establishment Services Inc.UnclassifiedIPv48

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 2026-11-03 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.45M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.