Address space
AS18121 INCL Ishikawa Computer Center Co.,LTD.
IPv4 prefixes
10
22.53K addresses
IPv6 prefixes
1
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 |
|---|---|---|
| JP | Japan | 11 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 103.241.208.0/23 | IPv4 | 512 | JP | |
| 180.94.192.0/20 | IPv4 | 4,096 | JP | |
| 180.94.208.0/21 | IPv4 | 2,048 | JP | |
| 202.222.32.0/19 | IPv4 | 8,192 | JP | |
| 219.121.224.0/20 | IPv4 | 4,096 | JP | |
| 219.121.240.0/21 | IPv4 | 2,048 | JP | |
| 219.121.248.0/24 | IPv4 | 256 | JP | |
| 219.121.250.0/23 | IPv4 | 512 | JP | |
| 219.121.252.0/23 | IPv4 | 512 | JP | |
| 219.121.254.0/24 | IPv4 | 256 | JP | |
| 2404:a00::/32 | IPv6 | — | JP |