asn.dev

Observed topology

AS39122 BLACKNIGHT-AS

Hosting RIPE Content

Upstreams 31 carry this network
Downstreams 25 this network carries
Adjacent (IPv4) 52
Adjacent (IPv6) 33
Upstream graph Who carries AS39122, and who carries them, drawn as a map up to the transit-free core. 9 exchanges Where AS39122 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 31

Networks observed carrying traffic for AS39122: 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
AS1299Arelion Sweden ABTransitIPv4 IPv6419
AS6939Hurricane Electric LLCTransitIPv4 IPv6244
AS174Cogent Communications, LLCTransitIPv4 IPv6241
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv674
AS50304Blix Solutions ASUnclassifiedIPv4 IPv656
AS24482SG.GSHostingIPv4 IPv628
AS48185team.blue NVUnclassifiedIPv4 IPv628
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv628
AS50300CustodianDC LimitedUnclassifiedIPv4 IPv628
AS58057Securebit AGUnclassifiedIPv4 IPv628

All 31 upstreams →

Transit

Downstream networks

All 25

Networks for which AS39122 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS201000Js Whizzy Internet LimitedUnclassifiedIPv4 IPv62,117
AS215733Blacknight Internet Solutions LimitedUnclassifiedIPv4 IPv6486
AS202448MVPS LTDUnclassifiedIPv4 IPv6332
AS200807Sleepless Server Solutions Ltd.ResidentialIPv4255
AS34989ServeTheWorld ASHostingIPv4208
AS49567Aptus LtdResidentialIPv4 IPv6207
AS206746SCC BROADBAND LIMITEDUnclassifiedIPv4 IPv6192
AS203185PEBBLETREE LTDUnclassifiedIPv4 IPv6179
AS213128LINK Broadband LimitedUnclassifiedIPv4177
AS42090Rapid Broadband LtdUnclassifiedIPv4174

All 25 downstreams →

Adjacency

Adjacent networks

All 57

Every AS seen directly next to AS39122 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS201000Js Whizzy Internet LimitedUnclassifiedIPv4 IPv62,117
AS1299Arelion Sweden ABTransitIPv4 IPv61,844
AS6939Hurricane Electric LLCTransitIPv4 IPv61,083
AS174Cogent Communications, LLCTransitIPv4 IPv61,078
AS215733Blacknight Internet Solutions LimitedUnclassifiedIPv4 IPv6486
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv6384
AS202448MVPS LTDUnclassifiedIPv4 IPv6332
AS50304Blix Solutions ASUnclassifiedIPv4 IPv6278
AS200807Sleepless Server Solutions Ltd.ResidentialIPv4255
AS1197Network Ability LimitedUnclassifiedIPv4 IPv6214

All 57 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-29 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.36M 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.