asn.dev

Observed topology

AS63199 CDSC-AS1 - CDS Global Cloud Co., Ltd

Hosting ARIN

Upstreams 51 carry this network
Downstreams 34 this network carries
Adjacent (IPv4) 83
Adjacent (IPv6) 31
Upstream graph Who carries AS63199, and who carries them, drawn as a map up to the transit-free core. 21 exchanges Where AS63199 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 51

Networks observed carrying traffic for AS63199: 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
AS174Cogent Communications, LLCTransitIPv4 IPv66,089
AS1299Arelion Sweden ABTransitIPv4 IPv64,966
AS3356Level 3 Parent, LLCTransitIPv4 IPv62,662
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv61,955
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv61,948
AS17408AboveNet Communications TaiwanUnclassifiedIPv4 IPv61,905
AS3257GTT Communications Inc.TransitIPv4 IPv61,647
AS6939Hurricane Electric LLCTransitIPv4 IPv61,577
AS21859Zenlayer IncHostingIPv4 IPv61,140
AS41095IPTP LTDHostingIPv4 IPv6754

All 51 upstreams →

Transit

Downstream networks

All 34

Networks for which AS63199 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS147281Luckynet9 Private LimitedUnclassifiedIPv43,015
AS136809FAST ZONE ITUnclassifiedIPv4825
AS134494Code For Host Inc LtdUnclassifiedIPv4820
AS152606LINK4 COMMUNICATIONUnclassifiedIPv4698
AS137410MiM Digital Marketing Solution Ltd.UnclassifiedIPv4349
AS152726Dream EngineeringUnclassifiedIPv4291
AS139057Edgenext Legend Dynasty Pte. Ltd.UnclassifiedIPv4 IPv6238
AS150293Capitalonline Data Service (HK) Co., LimitedUnclassifiedIPv4179
AS11439VertexCore LLCUnclassifiedIPv4175
AS151397China TelecomUnclassifiedIPv4122

All 34 downstreams →

Adjacency

Adjacent networks

All 86

Every AS seen directly next to AS63199 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS174Cogent Communications, LLCTransitIPv4 IPv68,516
AS1299Arelion Sweden ABTransitIPv4 IPv65,769
AS3257GTT Communications Inc.TransitIPv4 IPv63,585
AS147281Luckynet9 Private LimitedUnclassifiedIPv43,015
AS3356Level 3 Parent, LLCTransitIPv4 IPv62,797
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv62,016
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv61,948
AS17408AboveNet Communications TaiwanUnclassifiedIPv4 IPv61,905
AS6939Hurricane Electric LLCTransitIPv4 IPv61,655
AS9002RETN LimitedUnclassifiedIPv41,339

All 86 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-08 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.00M 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.