Address space
AS25512 CDT-AS The Czech Republic
IPv4 prefixes
11
118K addresses
IPv6 prefixes
1
Most common size
/18
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 | 12 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 81.19.32.0/20 | IPv4 | 4,096 | CZ | |
| 82.117.128.0/19 | IPv4 | 8,192 | CZ | |
| 82.202.64.0/18 | IPv4 | 16,384 | CZ | |
| 85.13.64.0/18 | IPv4 | 16,384 | CZ | |
| 85.184.16.0/20 | IPv4 | 4,096 | CZ | |
| 89.203.128.0/17 | IPv4 | 32,768 | CZ | |
| 131.117.192.0/21 | IPv4 | 2,048 | CZ | |
| 185.134.0.0/22 | IPv4 | 1,024 | CZ | |
| 195.146.96.0/19 | IPv4 | 8,192 | CZ | |
| 212.11.96.0/19 | IPv4 | 8,192 | CZ | |
| 213.235.128.0/18 | IPv4 | 16,384 | CZ | |
| 2001:1a48::/32 | IPv6 | — | CZ |