Observed topology

AS63731 TPTECO-AS-VN TIEN PHAT TECHNOLOGY CORPORATION

Unclassified APNIC

Upstreams 8 carry this network

Downstreams 5 this network carries

Adjacent (IPv4) 13

Adjacent (IPv6) 2

Upstream graph Who carries AS63731, and who carries them, drawn as a map up to the transit-free core. 0 exchanges Where AS63731 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS63731: 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.

AS	Network	Type	Families	Paths seen
AS24088	HCMC Branch	Residential	IPv4	458
AS7552	Viettel Group	Mobile	IPv4	216
AS3491	PCCW Global HK Ltd.	Transit	IPv4	176
AS45903	CMC Telecom Infrastructure Company	Residential	IPv4 IPv6	148
AS45543	SaiGon Tourist cable Televition Company	Mobile	IPv4	59
AS131429	MOBIFONE Corporation	Unclassified	IPv4	52
AS18403	FPT Telecom Company	Residential	IPv4 IPv6	28
AS38731	CHT Compamy Ltd	Hosting	IPv4	11

Transit

Downstream networks

inferred

Networks for which AS63731 was observed as the last hop before the origin, meaning it appears to provide them transit.

AS	Network	Type	Families	Paths seen
AS150837	SAOVANG TELECOMMUNICATION INFRASTRUCTURE JOINT STOCK COMPANY	Unclassified	IPv4	174
AS56155	Tuong Minh Software Solutions Company Limited	Unclassified	IPv4	115
AS153428	TTP GROUP TECHNOLOGY TELECOMMUNICATION JOINT STOCK COMPANY	Unclassified	IPv4	111
AS135926	Phu Nhuan Jewelry Joint Stock Company	Unclassified	IPv4	10
AS38249	KIS Viet Nam Securities Corporations	Unclassified	IPv4	2

Adjacency

Adjacent networks

All 13

Every AS seen directly next to AS63731 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS24088	HCMC Branch	Residential	IPv4	565
AS3491	PCCW Global HK Ltd.	Transit	IPv4	305
AS7552	Viettel Group	Mobile	IPv4	287
AS45903	CMC Telecom Infrastructure Company	Residential	IPv4 IPv6	220
AS150837	SAOVANG TELECOMMUNICATION INFRASTRUCTURE JOINT STOCK COMPANY	Unclassified	IPv4	174
AS56155	Tuong Minh Software Solutions Company Limited	Unclassified	IPv4	115
AS153428	TTP GROUP TECHNOLOGY TELECOMMUNICATION JOINT STOCK COMPANY	Unclassified	IPv4	111
AS131429	MOBIFONE Corporation	Unclassified	IPv4	70
AS45543	SaiGon Tourist cable Televition Company	Mobile	IPv4	59
AS18403	FPT Telecom Company	Residential	IPv4 IPv6	43

All 13 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-26 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M 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.