AS138440CERNET2 regional IX at Hainan Normal University
ChinaRegistryAPNICAt a glance
IPv4 prefixes
0
IPv6 prefixes
23
IPv4 addresses
0
IPv6 /64s
4.3B
Upstream graph
The networks AS138440 is seen behind, one and two hops out, drawn from real AS paths.
AS138440Toward the internet core
Networks observed one and two hops upstream of AS138440 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.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS23910China Next Generation Internet CERNET2 | CN | Peer | 69 | 3 |
Prefixes
The largest blocks AS138440 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 240c:cec1::/32 | 4.3B × /64 | 3/62 |
| 2001:250:3800::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3801::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3802::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3803::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3806::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3808::/48 | 65.5k × /64 | 3/62 |
| 2001:250:3809::/48 | 65.5k × /64 | 3/62 |
| 2001:250:380a::/48 | 65.5k × /64 | 3/62 |
| 2001:250:380b::/48 | 65.5k × /64 | 3/62 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.