SUBNET.IM

AS138377CERNET2 regional IX at Qinghai Normal University

ChinaRegistryAPNIC

At a glance

IPv4 prefixes

0

IPv6 prefixes

17

IPv4 addresses

0

IPv6 /64s

4.3B

Upstream graph

The networks AS138377 is seen behind, one and two hops out, drawn from real AS paths.

AS138377Toward the internet core
Upstream graph for AS138377: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS138377CERNET2 regional …This networkAS23910China Next Genera…AS4538China Education a…AS23911China Next Genera…

Networks observed one and two hops upstream of AS138377 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS138377
NetworkCountryRelationshipPathsVantage pts
AS23910China Next Generation Internet CERNET2CNPeer1026

Prefixes

The largest blocks AS138377 originates, widest first.

Largest prefixes originated by AS138377
PrefixAddressesVisibility
240c:c381::/324.3B × /646/62
2001:250:1e00::/4865.5k × /646/62
2001:250:1e01::/4865.5k × /646/62
2001:250:1e02::/4865.5k × /646/62
2001:250:1e03::/4865.5k × /646/62
2001:250:1e04::/4865.5k × /646/62
2001:250:1e05::/4865.5k × /646/62
2001:250:1e06::/4865.5k × /646/62
2001:250:1e07::/4865.5k × /646/62
2001:250:1e08::/4865.5k × /646/62

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