Address space
AS131937 JCV Joetsu Cable Vision
IPv4 prefixes
9
33.28K addresses
IPv6 prefixes
2
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 | 11 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 103.118.92.0/22 | IPv4 | 1,024 | JP | |
| 103.152.66.0/23 | IPv4 | 512 | JP | |
| 126.251.0.0/19 | IPv4 | 8,192 | JP | |
| 126.251.32.0/21 | IPv4 | 2,048 | JP | |
| 126.251.112.0/21 | IPv4 | 2,048 | JP | |
| 126.251.128.0/19 | IPv4 | 8,192 | JP | |
| 170.249.64.0/21 | IPv4 | 2,048 | JP | |
| 170.249.96.0/19 | IPv4 | 8,192 | JP | |
| 202.223.12.0/22 | IPv4 | 1,024 | JP | |
| 2403:4040::/32 | IPv6 | — | JP | |
| 2406:2b40::/32 | IPv6 | — | JP |