Address space
AS4693 CSK CSK-IT MANAGEMENT CORPORATION
IPv4 prefixes
7
45.06K addresses
IPv6 prefixes
1
Most common size
/19
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 | 8 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 203.140.0.0/19 | IPv4 | 8,192 | JP | |
| 203.179.32.0/19 | IPv4 | 8,192 | JP | |
| 210.159.96.0/19 | IPv4 | 8,192 | JP | |
| 210.166.96.0/19 | IPv4 | 8,192 | JP | |
| 210.249.192.0/19 | IPv4 | 8,192 | JP | |
| 211.7.192.0/21 | IPv4 | 2,048 | JP | |
| 211.7.208.0/21 | IPv4 | 2,048 | JP | |
| 2400:af80::/32 | IPv6 | — | JP |