asn.dev

Observed topology

AS13293 PIONIER-AS-COM Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

Unclassified APNIC

Upstreams 2 carry this network
Downstreams 20 this network carries
Adjacent (IPv4) 22
Adjacent (IPv6) 14
Upstream graph Who carries AS13293, and who carries them, drawn as a map up to the transit-free core. 0 exchanges Where AS13293 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS13293: 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
AS1299Arelion Sweden ABTransitIPv4 IPv6220
AS174Cogent Communications, LLCTransitIPv4 IPv696

Transit

Downstream networks

All 20

Networks for which AS13293 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS12831Technical University of Gdansk, Academic Computer Center TASKUnclassifiedIPv4 IPv6334
AS12618Politechnika Bydgoska im. Jana i Jedrzeja SniadeckichUnclassifiedIPv4 IPv6322
AS13119Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum InformatykiUnclassifiedIPv4 IPv6248
AS16283Lodz University of TechnologyUnclassifiedIPv4 IPv6191
AS35686Nicolaus Copernicus University in TorunUnclassifiedIPv4171
AS15744Silesian University of Technology, Computer CentreHostingIPv4 IPv6170
AS29414Politechnika BialostockaUnclassifiedIPv4157
AS30778Kielce University of TechnologyUnclassifiedIPv4 IPv6118
AS8323Academic Computer Centre CYFRONET AGHEducationIPv4 IPv6116
AS13065Uniwersytet ZielonogorskiUnclassifiedIPv4 IPv687

All 20 downstreams →

Adjacency

Adjacent networks

All 22

Every AS seen directly next to AS13293 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv63,945
AS174Cogent Communications, LLCTransitIPv4 IPv61,977
AS29414Politechnika BialostockaUnclassifiedIPv41,223
AS15744Silesian University of Technology, Computer CentreHostingIPv4 IPv6874
AS12831Technical University of Gdansk, Academic Computer Center TASKUnclassifiedIPv4 IPv6670
AS8323Academic Computer Centre CYFRONET AGHEducationIPv4 IPv6471
AS12618Politechnika Bydgoska im. Jana i Jedrzeja SniadeckichUnclassifiedIPv4 IPv6397
AS13119Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum InformatykiUnclassifiedIPv4 IPv6330
AS25084Politechnika CzestochowskaUnclassifiedIPv4 IPv6222
AS16283Lodz University of TechnologyUnclassifiedIPv4 IPv6218

All 22 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-10 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 71.97M 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.