Address space
AS138371 CNGI-QDA-IX-AS-AP CERNET2 regional IX at Ocean University of China
IPv4 prefixes
2
768 addresses
IPv6 prefixes
28
Most common size
/23
IPv4
Flagged
0
Shape
Prefix sizes
How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| CN | China | 30 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 121.251.232.0/23 | IPv4 | 512 | CN | |
| 121.251.234.0/24 | IPv4 | 256 | CN | |
| 2001:250:5805::/48 | IPv6 | — | CN | |
| 2001:250:5806::/48 | IPv6 | — | CN | |
| 2001:250:5816::/48 | IPv6 | — | CN | |
| 2001:250:5820::/46 | IPv6 | — | CN | |
| 2001:250:5828::/48 | IPv6 | — | CN | |
| 2001:250:582a::/48 | IPv6 | — | CN | |
| 2001:250:5831::/48 | IPv6 | — | CN | |
| 2001:250:5833::/48 | IPv6 | — | CN | |
| 2001:250:5845::/48 | IPv6 | — | CN | |
| 2001:250:5846::/47 | IPv6 | — | CN | |
| 2001:250:5848::/47 | IPv6 | — | CN | |
| 2001:250:584a::/48 | IPv6 | — | CN | |
| 2001:250:5862::/48 | IPv6 | — | CN | |
| 2001:250:5864::/48 | IPv6 | — | CN | |
| 2001:250:5866::/48 | IPv6 | — | CN | |
| 2001:250:5875::/48 | IPv6 | — | CN | |
| 2001:250:587c::/47 | IPv6 | — | CN | |
| 2001:250:5895::/48 | IPv6 | — | CN | |
| 2001:da8:cc::/48 | IPv6 | — | CN | |
| 2001:da8:7013::/48 | IPv6 | — | CN | |
| 2001:da8:701f::/48 | IPv6 | — | CN | |
| 2001:da8:702a::/48 | IPv6 | — | CN | |
| 240b:e002::/32 | IPv6 | — | CN | |
| 240c:ca02::/31 | IPv6 | — | CN | |
| 240c:ca05::/32 | IPv6 | — | CN | |
| 240c:ca07::/32 | IPv6 | — | CN | |
| 240c:ca0c::/32 | IPv6 | — | CN | |
| 240c:ca23::/32 | IPv6 | — | CN |