asn.dev

Observed topology

AS6509 CANARIE-NTN

Education ARIN Educational/Research

Upstreams 9 carry this network
Downstreams 14 this network carries
Adjacent (IPv4) 22
Adjacent (IPv6) 13
Upstream graph Who carries AS6509, and who carries them, drawn as a map up to the transit-free core. 7 exchanges Where AS6509 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS6509: 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
AS53904CANARIE IncUnclassifiedIPv4 IPv6103
AS6939Hurricane Electric LLCTransitIPv666
AS11537Internet2UnclassifiedIPv4 IPv67
AS1103SURF B.V.UnclassifiedIPv4 IPv64
AS293ESnetUnclassifiedIPv42
AS2153CENICUnclassifiedIPv42
AS7575Australian Academic and Research Network (AARNet)EducationIPv42
AS22652Videotron LteeResidentialIPv62
AS2603NORDUnetEducationIPv61

Transit

Downstream networks

All 14

Networks for which AS6509 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS376Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)UnclassifiedIPv4 IPv61,418
AS271BCNETUnclassifiedIPv4 IPv6816
AS15296Cybera IncUnclassifiedIPv4 IPv6453
AS611NB-PEI Educational Computer NetworkUnclassifiedIPv4322
AS26677ORIONUnclassifiedIPv4 IPv6186
AS26806SRNet Saskatchewan Research Network Inc.UnclassifiedIPv4 IPv661
AS2682Shared Services CanadaUnclassifiedIPv449
AS8111Dalhousie UniversityEducationIPv430
AS10965MRNetEducationIPv421
AS53904CANARIE IncUnclassifiedIPv412

All 14 downstreams →

Adjacency

Adjacent networks

All 25

Every AS seen directly next to AS6509 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS11537Internet2UnclassifiedIPv4 IPv63,398
AS376Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)UnclassifiedIPv4 IPv61,923
AS26677ORIONUnclassifiedIPv4 IPv61,671
AS271BCNETUnclassifiedIPv4 IPv61,644
AS6939Hurricane Electric LLCTransitIPv61,133
AS2153CENICUnclassifiedIPv41,125
AS293ESnetUnclassifiedIPv41,122
AS15296Cybera IncUnclassifiedIPv4 IPv61,113
AS7575Australian Academic and Research Network (AARNet)EducationIPv4880
AS1103SURF B.V.UnclassifiedIPv4 IPv6677

All 25 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-01 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.48M 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.