asn.dev

Observed topology

AS205755 SDNBUCKS

Unclassified RIPE

Upstreams 27 carry this network
Downstreams 0 this network carries
Adjacent (IPv4) 23
Adjacent (IPv6) 14
Upstream graph Who carries AS205755, and who carries them, drawn as a map up to the transit-free core. 8 exchanges Where AS205755 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 27

Networks observed carrying traffic for AS205755: 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
AS41051Openfactory GmbHUnclassifiedIPv4 IPv675
AS24785Broadband Hosting B.V.HostingIPv4 IPv658
AS20562Broadband Hosting B.V.HostingIPv428
AS6939Hurricane Electric LLCTransitIPv420
AS57866Fusix Networks B.V.UnclassifiedIPv420
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv65
AS24482SG.GSHostingIPv4 IPv65
AS37989DCS1 Pte. Ltd.HostingIPv4 IPv65
AS42708Glesys ABUnclassifiedIPv4 IPv65
AS48185team.blue NVUnclassifiedIPv4 IPv65

All 27 upstreams →

Transit

Downstream networks

inferred

Networks for which AS205755 was observed as the last hop before the origin, meaning it appears to provide them transit.

No downstream observed. This network does not appear to carry transit for anyone.

Adjacency

Adjacent networks

All 27

Every AS seen directly next to AS205755 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS41051Openfactory GmbHUnclassifiedIPv4 IPv675
AS24785Broadband Hosting B.V.HostingIPv4 IPv658
AS20562Broadband Hosting B.V.HostingIPv428
AS6939Hurricane Electric LLCTransitIPv420
AS57866Fusix Networks B.V.UnclassifiedIPv420
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv65
AS24482SG.GSHostingIPv4 IPv65
AS37989DCS1 Pte. Ltd.HostingIPv4 IPv65
AS42708Glesys ABUnclassifiedIPv4 IPv65
AS48185team.blue NVUnclassifiedIPv4 IPv65

All 27 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-11 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.47M 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.