asn.dev

Observed topology

AS20055 AS-WHOLESAIL

Residential ARIN

Upstreams 13 carry this network
Downstreams 127 this network carries
Adjacent (IPv4) 141
Adjacent (IPv6) 56
Upstream graph Who carries AS20055, and who carries them, drawn as a map up to the transit-free core. 3 exchanges Where AS20055 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 13

Networks observed carrying traffic for AS20055: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.

ASNetworkTypeFamiliesPaths seen
AS6461Zayo BandwidthTransitIPv4 IPv6910
AS1299Arelion Sweden ABTransitIPv4 IPv6796
AS3257GTT Communications Inc.TransitIPv4 IPv6541
AS6939Hurricane Electric LLCTransitIPv4 IPv6512
AS174Cogent Communications, LLCTransitIPv4 IPv6410
AS9002RETN LimitedUnclassifiedIPv4 IPv666
AS24482SG.GSHostingIPv4 IPv664
AS394256Tech Futures Interactive Inc.UnclassifiedIPv4 IPv664
AS293ESnetUnclassifiedIPv458
AS3130RGnet OUUnclassifiedIPv458

All 13 upstreams →

Transit

Downstream networks

All 127

Networks for which AS20055 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS4193State of WashingtonUnclassifiedIPv4 IPv61,465
AS13370Ziply FiberUnclassifiedIPv4 IPv61,146
AS3657TSS Digital ServicesResidentialIPv4688
AS13692Douglas FastNetResidentialIPv4 IPv6612
AS23138FIRST STEP INTERNET, LLCResidentialIPv4 IPv6608
AS23316Bel Air Internet, LLCResidentialIPv4585
AS32522Multnomah Education Service DistrictUnclassifiedIPv4 IPv6571
AS31857Ziply FiberResidentialIPv4 IPv6492
AS18897Montana Sky Networks, Inc.UnclassifiedIPv4 IPv6464
AS26128360 Communications, LLCUnclassifiedIPv4456

All 127 downstreams →

Adjacency

Adjacent networks

All 142

Every AS seen directly next to AS20055 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS6461Zayo BandwidthTransitIPv4 IPv67,233
AS1299Arelion Sweden ABTransitIPv4 IPv66,434
AS3257GTT Communications Inc.TransitIPv4 IPv64,101
AS174Cogent Communications, LLCTransitIPv4 IPv63,206
AS6939Hurricane Electric LLCTransitIPv4 IPv62,781
AS4193State of WashingtonUnclassifiedIPv4 IPv61,556
AS394345Washington State UniversityUnclassifiedIPv41,420
AS13370Ziply FiberUnclassifiedIPv4 IPv61,149
AS32522Multnomah Education Service DistrictUnclassifiedIPv4 IPv6775
AS13692Douglas FastNetResidentialIPv4 IPv6760

All 142 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-15 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.09M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.

Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you. 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.

Cross-check against RIPEstat or BGP.tools, which observe from a different and larger set of vantage points.