Address space
AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd
IPv4 prefixes
13
25.86K addresses
IPv6 prefixes
13
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 | 26 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 42.201.32.0/23 | IPv4 | 512 | CN | |
| 42.201.34.0/23 | IPv4 | 512 | CN | |
| 42.201.36.0/22 | IPv4 | 1,024 | CN | |
| 42.201.40.0/21 | IPv4 | 2,048 | CN | |
| 42.201.48.0/20 | IPv4 | 4,096 | CN | |
| 42.245.192.0/20 | IPv4 | 4,096 | CN | |
| 42.245.208.0/21 | IPv4 | 2,048 | CN | |
| 42.245.216.0/22 | IPv4 | 1,024 | CN | |
| 42.245.220.0/23 | IPv4 | 512 | CN | |
| 42.245.222.0/23 | IPv4 | 512 | CN | |
| 42.245.224.0/19 | IPv4 | 8,192 | CN | |
| 43.252.48.0/24 | IPv4 | 256 | CN | |
| 103.81.200.0/22 | IPv4 | 1,024 | CN | |
| 2400:a980::/34 | IPv6 | — | CN | |
| 2400:a980:4100::/40 | IPv6 | — | CN | |
| 2400:a980:4200::/39 | IPv6 | — | CN | |
| 2400:a980:4400::/38 | IPv6 | — | CN | |
| 2400:a980:4800::/37 | IPv6 | — | CN | |
| 2400:a980:5000::/36 | IPv6 | — | CN | |
| 2400:a980:6000::/35 | IPv6 | — | CN | |
| 2400:a980:8000::/33 | IPv6 | — | CN | |
| 2400:a981::/32 | IPv6 | — | CN | |
| 2400:a982::/31 | IPv6 | — | CN | |
| 2400:a984::/30 | IPv6 | — | CN | |
| 2403:a200:9999::/48 | IPv6 | — | CN | |
| 240d:4000::/21 | IPv6 | — | CN |