Address space
AS2852 CESNET2
IPv4 prefixes
21
850K addresses
IPv6 prefixes
1
Most common size
/16
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 |
|---|---|---|
| CZ | Czechia | 22 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 78.128.128.0/17 | IPv4 | 32,768 | CZ | |
| 146.102.0.0/16 | IPv4 | 65,536 | CZ | |
| 147.32.0.0/15 | IPv4 | 131,072 | CZ | |
| 147.228.0.0/16 | IPv4 | 65,536 | CZ | |
| 147.230.0.0/15 | IPv4 | 131,072 | CZ | |
| 147.251.0.0/16 | IPv4 | 65,536 | CZ | |
| 158.194.0.0/16 | IPv4 | 65,536 | CZ | |
| 158.196.0.0/16 | IPv4 | 65,536 | CZ | |
| 160.216.0.0/15 | IPv4 | 131,072 | CZ | |
| 185.8.160.0/22 | IPv4 | 1,024 | CZ | |
| 193.84.32.0/20 | IPv4 | 4,096 | CZ | |
| 193.84.53.0/24 | IPv4 | 256 | CZ | |
| 193.84.55.0/24 | IPv4 | 256 | CZ | |
| 193.84.56.0/21 | IPv4 | 2,048 | CZ | |
| 193.84.80.0/22 | IPv4 | 1,024 | CZ | |
| 193.84.104.0/22 | IPv4 | 1,024 | CZ | |
| 193.84.116.0/23 | IPv4 | 512 | CZ | |
| 193.84.160.0/20 | IPv4 | 4,096 | CZ | |
| 193.84.192.0/19 | IPv4 | 8,192 | CZ | |
| 195.113.0.0/16 | IPv4 | 65,536 | CZ | |
| 195.178.64.0/19 | IPv4 | 8,192 | CZ | |
| 2001:718::/29 | IPv6 | — | CZ |