Observed topology

AS204680 KIT-STUDENT Karlsruhe Institute of Technology

Unclassified RIPE Educational/Research

Upstreams 1 carry this network

Downstreams 6 this network carries

Adjacent (IPv4) 5

Adjacent (IPv6) 7

Upstream graph Who carries AS204680, and who carries them, drawn as a map up to the transit-free core. 0 exchanges Where AS204680 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS204680: 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.

AS	Network	Type	Families	Paths seen
AS553	Universitaet Stuttgart	Unclassified	IPv4 IPv6	95

Transit

Downstream networks

inferred

Networks for which AS204680 was observed as the last hop before the origin, meaning it appears to provide them transit.

AS	Network	Type	Families	Paths seen
AS208974	Internetmanufaktur Karlsruhe UG (haftungsbeschraenkt)	Unclassified	IPv4 IPv6	150
AS208854	Entropia e.V.	Unclassified	IPv4 IPv6	149
AS202329	Verein zur Foerderung freier Netze Region Mittlerer Oberrhein e.V.	Unclassified	IPv4 IPv6	123
AS202539	Internetmanufaktur Karlsruhe UG (haftungsbeschraenkt)	Unclassified	IPv4 IPv6	123
AS203757	Gregor Czubayko	Unclassified	IPv6	32
AS214840	Julian Keck	Unclassified	IPv6	32

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS204680 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS553	Universitaet Stuttgart	Unclassified	IPv4 IPv6	704
AS208974	Internetmanufaktur Karlsruhe UG (haftungsbeschraenkt)	Unclassified	IPv4 IPv6	150
AS208854	Entropia e.V.	Unclassified	IPv4 IPv6	149
AS202329	Verein zur Foerderung freier Netze Region Mittlerer Oberrhein e.V.	Unclassified	IPv4 IPv6	123
AS202539	Internetmanufaktur Karlsruhe UG (haftungsbeschraenkt)	Unclassified	IPv4 IPv6	123
AS203757	Gregor Czubayko	Unclassified	IPv6	32
AS214840	Julian Keck	Unclassified	IPv6	32

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-23 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.15M 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.