SUBNET.IM

AS138421China Unicom

ChinaRegistryAPNIC

At a glance

IPv4 prefixes

247

IPv6 prefixes

40

IPv4 addresses

189k

IPv6 /64s

35.1M

Upstream graph

The networks AS138421 is seen behind, one and two hops out, drawn from real AS paths.

AS138421Toward the internet core
Upstream graph for AS138421: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS138421China UnicomThis networkAS4837China Unicom Back…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS138421 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

9

adjacent networks

Upstreams
111%
Peers
556%
Downstreams
333%

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

Upstreams of AS138421
NetworkCountryRelationshipPathsVantage pts
AS4837China Unicom BackboneCNPeer21,127141

Prefixes

All 287

The largest blocks AS138421 originates, widest first.

Largest prefixes originated by AS138421
PrefixAddressesVisibility
114.67.64.0/1816.4k11/80
116.63.192.0/1816.4k11/80
116.63.32.0/198.2k12/80
122.9.64.0/198.2k12/80
140.210.128.0/198.2k12/80
220.196.224.0/198.2k79/80
112.65.240.0/204.1k80/80
116.63.96.0/204.1k11/80
116.198.144.0/204.1k11/80
122.9.176.0/204.1k12/80

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