SUBNET.IM

AS139743Shen Zhen Shi Fang Technology Co., Limited

ChinaRegistryAPNIC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS139743 is seen behind, one and two hops out, drawn from real AS paths.

AS139743Toward the internet core
Upstream graph for AS139743: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS139743Shen Zhen Shi Fan…This networkAS35661VIRTUA SYSTEMS SASAS137995Shuangyu Communic…AS174Cogent Communicat…AS6939Hurricane Electri…AS136237Shuangyu Communic…

Networks observed one and two hops upstream of AS139743 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS139743
NetworkCountryRelationshipPathsVantage pts
AS137995Shuangyu Communications Technology Co., LimitedHKPeer55
AS35661VIRTUA SYSTEMS SASFRPeer44

Prefixes

The largest blocks AS139743 originates, widest first.

Largest prefixes originated by AS139743
PrefixAddressesVisibility
103.131.179.0/242569/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.