Address space
AS18139 HISOL-CSV Hitachi Solutions, Ltd.
IPv4 prefixes
5
1.54K addresses
IPv6 prefixes
1
Most common size
/24
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 | 6 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 133.108.42.0/23 | IPv4 | 512 | JP | |
| 133.108.58.0/24 | IPv4 | 256 | JP | |
| 133.108.61.0/24 | IPv4 | 256 | JP | |
| 133.108.63.0/24 | IPv4 | 256 | JP | |
| 219.109.5.0/24 | IPv4 | 256 | JP | |
| 2406:8e00::/32 | IPv6 | — | JP |