Address space
AS513 CERN
IPv4 prefixes
19
355K addresses
IPv6 prefixes
1
Most common size
/22
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 |
|---|---|---|
| CH | Switzerland | 20 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 128.141.0.0/16 | IPv4 | 65,536 | CH | |
| 128.142.0.0/16 | IPv4 | 65,536 | CH | |
| 137.138.0.0/16 | IPv4 | 65,536 | CH | |
| 185.249.56.0/22 | IPv4 | 1,024 | CH | |
| 188.184.0.0/15 | IPv4 | 131,072 | CH | |
| 192.16.155.0/24 | IPv4 | 256 | CH | |
| 192.16.156.0/22 | IPv4 | 1,024 | CH | |
| 192.16.160.0/22 | IPv4 | 1,024 | CH | |
| 192.16.164.0/23 | IPv4 | 512 | CH | |
| 192.16.166.0/24 | IPv4 | 256 | CH | |
| 192.65.183.0/24 | IPv4 | 256 | CH | |
| 192.65.184.0/21 | IPv4 | 2,048 | CH | |
| 192.65.192.0/22 | IPv4 | 1,024 | CH | |
| 192.65.196.0/23 | IPv4 | 512 | CH | |
| 192.91.236.0/22 | IPv4 | 1,024 | CH | |
| 192.91.240.0/22 | IPv4 | 1,024 | CH | |
| 192.91.244.0/23 | IPv4 | 512 | CH | |
| 192.91.246.0/24 | IPv4 | 256 | CH | |
| 194.12.128.0/18 | IPv4 | 16,384 | CH | |
| 2001:1458::/31 | IPv6 | — | CH |