Address space
AS17958 KCV Kasaoka Cable Vision Co,LTD.
IPv4 prefixes
7
21.50K 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 |
|---|---|---|
| JP | Japan | 8 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 103.2.96.0/22 | IPv4 | 1,024 | JP | |
| 133.226.160.0/20 | IPv4 | 4,096 | JP | |
| 157.112.160.0/20 | IPv4 | 4,096 | JP | |
| 180.178.80.0/21 | IPv4 | 2,048 | JP | |
| 218.40.96.0/20 | IPv4 | 4,096 | JP | |
| 219.103.48.0/20 | IPv4 | 4,096 | JP | |
| 220.247.184.0/21 | IPv4 | 2,048 | JP | |
| 2401:a240::/32 | IPv6 | — | JP |