asn.dev

Observed topology

AS136237 SSCTC-AS-AP - Shuangyu Communication Technology co.,Ltd.

Unclassified APNIC

Upstreams 5 carry this network
Downstreams 1 this network carries
Adjacent (IPv4) 6
Adjacent (IPv6) 3
Upstream graph Who carries AS136237, and who carries them, drawn as a map up to the transit-free core. 0 exchanges Where AS136237 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS136237: 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
AS137995Shuangyu Communications Technology Co., LimitedUnclassifiedIPv4115
AS140595YunJie Communication HK Company LimitedUnclassifiedIPv488
AS55355ISPUnclassifiedIPv487
AS9304HGC Global Communications LimitedHostingIPv4 IPv636
AS6939Hurricane Electric LLCTransitIPv629

Transit

Downstream networks

inferred

Networks for which AS136237 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS137995Shuangyu Communications Technology Co., LimitedUnclassifiedIPv4 IPv6310

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS136237 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS137995Shuangyu Communications Technology Co., LimitedUnclassifiedIPv4 IPv6487
AS9304HGC Global Communications LimitedHostingIPv4 IPv6315
AS6939Hurricane Electric LLCTransitIPv4 IPv6140
AS140595YunJie Communication HK Company LimitedUnclassifiedIPv488
AS55355ISPUnclassifiedIPv487
AS174Cogent Communications, LLCTransitIPv418

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.