Address space
AS39790 WEB4U
IPv4 prefixes
2
5.12K addresses
IPv6 prefixes
1
Most common size
/20
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 | 3 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 81.91.80.0/20 | IPv4 | 4,096 | CZ | |
| 185.14.224.0/22 | IPv4 | 1,024 | CZ | |
| 2001:1568::/32 | IPv6 | — | CZ |