SUBNET.IM

AS138378CERNET2 regional IX at Yunnan University

ChinaRegistryAPNIC

At a glance

IPv4 prefixes

1

IPv6 prefixes

63

IPv4 addresses

32.8k

IPv6 /64s

4.3B

Upstream graph

The networks AS138378 is seen behind, one and two hops out, drawn from real AS paths.

AS138378Toward the internet core
Upstream graph for AS138378: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS138378CERNET2 regional …This networkAS4538China Education a…AS23910China Next Genera…AS4837China Unicom Back…AS23764China Telecom Glo…AS23911China Next Genera…

Networks observed one and two hops upstream of AS138378 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 AS138378
NetworkCountryRelationshipPathsVantage pts
AS23910China Next Generation Internet CERNET2CNPeer3786
AS4538China Education and Research Network CenterCNPeer22

Prefixes

All 64

The largest blocks AS138378 originates, widest first.

Largest prefixes originated by AS138378
PrefixAddressesVisibility
113.55.0.0/1732.8k2/80
240c:cf81::/324.3B × /646/62
2001:250:2800::/4865.5k × /646/62
2001:250:2801::/4865.5k × /646/62
2001:250:2802::/4865.5k × /646/62
2001:250:2803::/4865.5k × /646/62
2001:250:2804::/4865.5k × /646/62
2001:250:2805::/4865.5k × /646/62
2001:250:2806::/4865.5k × /646/62
2001:250:2808::/4865.5k × /646/62

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