asn.dev

Observed topology

AS16509 AMAZON-02 - Amazon.com, Inc.

Hosting DROP-listed space ARIN Enterprise

Upstreams 106 carry this network
Downstreams 137 this network carries
Adjacent (IPv4) 201
Adjacent (IPv6) 127
Upstream graph Who carries AS16509, and who carries them, drawn as a map up to the transit-free core. 146 exchanges Where AS16509 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 106

Networks observed carrying traffic for AS16509: 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 IPv6275,914
AS174Cogent Communications, LLCTransitIPv4 IPv6195,800
AS2914NTT America, Inc.TransitIPv4 IPv6157,822
AS6939Hurricane Electric LLCTransitIPv4 IPv668,097
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv657,993
AS3257GTT Communications Inc.TransitIPv4 IPv643,076
AS24482SG.GSHostingIPv4 IPv633,420
AS3356Level 3 Parent, LLCTransitIPv4 IPv629,104
AS9002RETN LimitedUnclassifiedIPv4 IPv627,763
AS3320Deutsche Telekom AGMobileIPv4 IPv623,803

All 106 upstreams →

Transit

Downstream networks

All 137

Networks for which AS16509 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS14618Amazon.com, Inc.HostingIPv4 IPv6116,956
AS8987AmazonHostingIPv4 IPv612,442
AS801Amazon Technologies Inc.UnclassifiedIPv4 IPv612,328
AS214101Amazon Data Services European Sovereign Cloud GmbHUnclassifiedIPv4 IPv64,253
AS14782MailChimpUnclassifiedIPv43,477
AS922GoCodeIT IncUnclassifiedIPv4 IPv63,154
AS16766Island Technology, Inc.UnclassifiedIPv4 IPv63,080
AS8011MongoDB, Inc.UnclassifiedIPv42,629
AS401041Axis SecurityUnclassifiedIPv41,689
AS7224Amazon.com, Inc.HostingIPv41,675

All 137 downstreams →

Adjacency

Adjacent networks

All 245

Every AS seen directly next to AS16509 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4 IPv6300,965
AS174Cogent Communications, LLCTransitIPv4 IPv6221,446
AS2914NTT America, Inc.TransitIPv4 IPv6173,878
AS14618Amazon.com, Inc.HostingIPv4 IPv6122,323
AS6939Hurricane Electric LLCTransitIPv4 IPv676,674
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv661,569
AS3257GTT Communications Inc.TransitIPv4 IPv650,717
AS24482SG.GSHostingIPv4 IPv640,556
AS9002RETN LimitedUnclassifiedIPv4 IPv638,912
AS3356Level 3 Parent, LLCTransitIPv4 IPv634,174

All 245 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M 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.