asn.dev

Observed topology

AS20676 PLUSNET Plusnet GmbH

Unclassified RIPE NSP

Upstreams 22 carry this network
Downstreams 17 this network carries
Adjacent (IPv4) 37
Adjacent (IPv6) 23
Upstream graph Who carries AS20676, and who carries them, drawn as a map up to the transit-free core. 8 exchanges Where AS20676 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 22

Networks observed carrying traffic for AS20676: 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
AS3356Level 3 Parent, LLCTransitIPv4 IPv61,838
AS5405Inter.link GmbHUnclassifiedIPv4 IPv61,592
AS6939Hurricane Electric LLCTransitIPv4 IPv6541
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv6254
AS3320Deutsche Telekom AGMobileIPv4 IPv690
AS24482SG.GSHostingIPv4 IPv689
AS42708Glesys ABUnclassifiedIPv4 IPv689
AS34019Hivane AssociationUnclassifiedIPv4 IPv688
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv688
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv688

All 22 upstreams →

Transit

Downstream networks

All 17

Networks for which AS20676 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS208162Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.UnclassifiedIPv4 IPv616,755
AS201809Tchibo GmbHUnclassifiedIPv4 IPv6259
AS47309q.beyond AGUnclassifiedIPv4 IPv6184
AS203865overturn technologies GmbHUnclassifiedIPv4 IPv6105
AS12374LF.net Netzwerksysteme GmbHUnclassifiedIPv496
AS50455Schmersal EOT Holding GmbHUnclassifiedIPv4 IPv671
AS20849CONTINUM AGHostingIPv4 IPv668
AS199597cbcnet GmbHUnclassifiedIPv462
AS216387abc Information GmbH Kommunikation und BeratungUnclassifiedIPv462
AS212672Kurtz Holding GmbHUnclassifiedIPv437

All 17 downstreams →

Adjacency

Adjacent networks

All 40

Every AS seen directly next to AS20676 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS208162Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.UnclassifiedIPv4 IPv616,755
AS5405Inter.link GmbHUnclassifiedIPv4 IPv66,619
AS3356Level 3 Parent, LLCTransitIPv4 IPv66,574
AS6939Hurricane Electric LLCTransitIPv4 IPv63,388
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv61,016
AS42708Glesys ABUnclassifiedIPv4 IPv6462
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv6462
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv6458
AS24482SG.GSHostingIPv4 IPv6453
AS34019Hivane AssociationUnclassifiedIPv4 IPv6444

All 40 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-31 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.50M 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.