Address space
AS9999 ATTOKYO AT TOKYO Corporation
IPv4 prefixes
10
20.22K 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 | 11 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 110.44.20.0/22 | IPv4 | 1,024 | JP | |
| 119.59.64.0/21 | IPv4 | 2,048 | JP | |
| 165.100.192.0/20 | IPv4 | 4,096 | JP | |
| 202.13.124.0/22 | IPv4 | 1,024 | JP | |
| 202.243.223.0/24 | IPv4 | 256 | JP | |
| 203.80.6.0/23 | IPv4 | 512 | JP | |
| 203.89.128.0/22 | IPv4 | 1,024 | JP | |
| 203.223.24.0/21 | IPv4 | 2,048 | JP | |
| 211.132.0.0/20 | IPv4 | 4,096 | JP | |
| 219.99.128.0/20 | IPv4 | 4,096 | JP | |
| 2405:1800::/32 | IPv6 | — | JP |