asn.dev

Observed topology

AS9100 Aspectra Convotis Schweiz AG

Hosting RIPE Cable/DSL/ISP

Upstreams 8 carry this network
Downstreams 0 this network carries
Adjacent (IPv4) 6
Adjacent (IPv6) 7
Upstream graph Who carries AS9100, and who carries them, drawn as a map up to the transit-free core. 1 exchange Where AS9100 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS9100: 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
AS6939Hurricane Electric LLCTransitIPv4 IPv61,424
AS174Cogent Communications, LLCTransitIPv4 IPv6322
AS6772ImproWare AGResidentialIPv4 IPv6108
AS24482SG.GSHostingIPv4 IPv629
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv629
AS9002RETN LimitedUnclassifiedIPv65
AS25091IP-Max SAUnclassifiedIPv65
AS34019Hivane AssociationUnclassifiedIPv44

Transit

Downstream networks

inferred

Networks for which AS9100 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

observed

Every AS seen directly next to AS9100 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS6939Hurricane Electric LLCTransitIPv4 IPv61,424
AS174Cogent Communications, LLCTransitIPv4 IPv6322
AS6772ImproWare AGResidentialIPv4 IPv6108
AS24482SG.GSHostingIPv4 IPv629
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv629
AS9002RETN LimitedUnclassifiedIPv65
AS25091IP-Max SAUnclassifiedIPv65
AS34019Hivane AssociationUnclassifiedIPv44

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-11 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 73.24M 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.