asn.dev

Observed topology

AS21032 TELTA-AS

Unclassified APNIC

Upstreams 17 carry this network
Downstreams 2 this network carries
Adjacent (IPv4) 16
Adjacent (IPv6) 13
Upstream graph Who carries AS21032, and who carries them, drawn as a map up to the transit-free core. 2 exchanges Where AS21032 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 17

Networks observed carrying traffic for AS21032: 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
AS9145EWE TEL GmbHResidentialIPv4 IPv6238
AS6939Hurricane Electric LLCTransitIPv4 IPv6150
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv622
AS24482SG.GSHostingIPv4 IPv610
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv610
AS212024Marc SchmittUnclassifiedIPv4 IPv610
AS29632Netassist International EOODUnclassifiedIPv68
AS1836green.ch AGResidentialIPv46
AS6797GlobalConnect ABUnclassifiedIPv46
AS12779IT.Gate S.p.A.UnclassifiedIPv46

All 17 upstreams →

Transit

Downstream networks

inferred

Networks for which AS21032 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS61028Stadtwerke Schwedt GmbHUnclassifiedIPv4 IPv6991
AS209620Dr. Michaelis Consult GmbHUnclassifiedIPv4 IPv667

Adjacency

Adjacent networks

All 21

Every AS seen directly next to AS21032 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS61028Stadtwerke Schwedt GmbHUnclassifiedIPv4 IPv6991
AS6939Hurricane Electric LLCTransitIPv4 IPv6758
AS9145EWE TEL GmbHResidentialIPv4 IPv6533
AS209620Dr. Michaelis Consult GmbHUnclassifiedIPv4 IPv671
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv643
AS24482SG.GSHostingIPv4 IPv633
AS9002RETN LimitedUnclassifiedIPv630
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv617
AS13030Init7 (Switzerland) Ltd.HostingIPv615
AS1836green.ch AGResidentialIPv413

All 21 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-19 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M 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.