asn.dev

Observed topology

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

Hosting ARIN

Upstreams 51 carry this network
Downstreams 31 this network carries
Adjacent (IPv4) 82
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 IPv65,911
AS1299Arelion Sweden ABTransitIPv4 IPv65,003
AS3356Level 3 Parent, LLCTransitIPv4 IPv62,678
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv62,072
AS17408AboveNet Communications TaiwanUnclassifiedIPv4 IPv61,940
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv61,849
AS3257GTT Communications Inc.TransitIPv4 IPv61,707
AS6939Hurricane Electric LLCTransitIPv4 IPv61,570
AS21859Zenlayer IncHostingIPv4 IPv61,150
AS41095IPTP LTDHostingIPv4 IPv6751

All 51 upstreams →

Transit

Downstream networks

All 31

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

ASNetworkTypeFamiliesPaths seen
AS147281Luckynet9 Private LimitedUnclassifiedIPv43,616
AS134494Code For Host Inc LtdUnclassifiedIPv4833
AS136809FAST ZONE ITUnclassifiedIPv4778
AS152726Dream EngineeringUnclassifiedIPv4730
AS152606LINK4 COMMUNICATIONUnclassifiedIPv4707
AS137410MiM Digital Marketing Solution Ltd.UnclassifiedIPv4472
AS139057Edgenext Legend Dynasty Pte. Ltd.UnclassifiedIPv4 IPv6240
AS150293Capitalonline Data Service (HK) Co., LimitedUnclassifiedIPv4178
AS11439VertexCore LLCUnclassifiedIPv4175
AS151397China TelecomUnclassifiedIPv4122

All 31 downstreams →

Adjacency

Adjacent networks

All 84

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

ASNetworkTypeFamiliesPaths seen
AS174Cogent Communications, LLCTransitIPv4 IPv68,585
AS1299Arelion Sweden ABTransitIPv4 IPv65,926
AS147281Luckynet9 Private LimitedUnclassifiedIPv43,616
AS3257GTT Communications Inc.TransitIPv4 IPv63,238
AS3356Level 3 Parent, LLCTransitIPv4 IPv62,813
AS6453TATA COMMUNICATIONS (AMERICA) INCTransitIPv4 IPv62,137
AS17408AboveNet Communications TaiwanUnclassifiedIPv4 IPv61,940
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv61,849
AS12956TELEFONICA GLOBAL SOLUTIONS SLTransitIPv41,770
AS6939Hurricane Electric LLCTransitIPv4 IPv61,646

All 84 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-11 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 73.24M 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.