asn.dev

Observed topology

AS17511 OPTAGE OPTAGE Inc.

Residential APNIC Cable/DSL/ISP

Upstreams 15 carry this network
Downstreams 10 this network carries
Adjacent (IPv4) 26
Adjacent (IPv6) 14
Upstream graph Who carries AS17511, and who carries them, drawn as a map up to the transit-free core. 13 exchanges Where AS17511 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 15

Networks observed carrying traffic for AS17511: 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
AS2497Internet Initiative Japan Inc.UnclassifiedIPv4 IPv61,057
AS174Cogent Communications, LLCTransitIPv4 IPv6980
AS6939Hurricane Electric LLCTransitIPv4571
AS2516KDDI CORPORATIONMobileIPv4 IPv6265
AS9002RETN LimitedUnclassifiedIPv4 IPv6264
AS4637Telstra GlobalUnclassifiedIPv4 IPv6256
AS2914NTT America, Inc.TransitIPv483
AS24482SG.GSHostingIPv4 IPv668
AS3356Level 3 Parent, LLCTransitIPv4 IPv666
AS17639Converge ICT Solutions Inc.UnclassifiedIPv466

All 15 upstreams →

Transit

Downstream networks

inferred

Networks for which AS17511 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS24270CRC Solutions Corp.,HostingIPv4 IPv6212
AS24282KAGOYA JAPAN Inc.HostingIPv4 IPv679
AS131924Kansai AirportsUnclassifiedIPv4 IPv660
AS9358OPTAGE Inc.UnclassifiedIPv459
AS151379OPTAGE Inc.UnclassifiedIPv458
AS63402Universal OrlandoUnclassifiedIPv452
AS4711INTEC Inc.UnclassifiedIPv4 IPv649
AS59118NRI SecureTechnologies, Ltd.UnclassifiedIPv444
AS38633Value Core Inc.UnclassifiedIPv416
AS59124KYOTO Prefectural GovernmentUnclassifiedIPv46

Adjacency

Adjacent networks

All 27

Every AS seen directly next to AS17511 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS2497Internet Initiative Japan Inc.UnclassifiedIPv4 IPv61,260
AS174Cogent Communications, LLCTransitIPv4 IPv6980
AS6939Hurricane Electric LLCTransitIPv4627
AS4637Telstra GlobalUnclassifiedIPv4 IPv6365
AS9002RETN LimitedUnclassifiedIPv4 IPv6329
AS2516KDDI CORPORATIONMobileIPv4 IPv6318
AS24270CRC Solutions Corp.,HostingIPv4 IPv6212
AS56655Gigahost ASUnclassifiedIPv4 IPv6101
AS38001NewMedia Express Pte LtdHostingIPv4 IPv6100
AS2914NTT America, Inc.TransitIPv494

All 27 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-23 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.15M 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.