Address space
AS55899 IROB irob Ltd.
IPv4 prefixes
4
8.70K addresses
IPv6 prefixes
2
Most common size
/21
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 |
|---|---|---|---|---|
| 103.171.16.0/23 | IPv4 | 512 | JP | |
| 183.182.32.0/20 | IPv4 | 4,096 | JP | |
| 183.182.48.0/21 | IPv4 | 2,048 | JP | |
| 183.182.56.0/21 | IPv4 | 2,048 | JP | |
| 2401:2540::/32 | IPv6 | — | JP | |
| 2407:bc40::/32 | IPv6 | — | JP |