Address space
AS55900 GLBB-JP GLBB Japan KK
IPv4 prefixes
29
52.99K addresses
IPv6 prefixes
1
Most common size
/22
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 | 30 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 27.0.16.0/20 | IPv4 | 4,096 | JP | |
| 43.248.160.0/22 | IPv4 | 1,024 | JP | |
| 103.7.88.0/22 | IPv4 | 1,024 | JP | |
| 103.13.248.0/22 | IPv4 | 1,024 | JP | |
| 103.100.190.0/23 | IPv4 | 512 | JP | |
| 103.100.189.0/24 | IPv4 | 256 | JP | |
| 103.250.92.0/23 | IPv4 | 512 | JP | |
| 103.250.94.0/23 | IPv4 | 512 | JP | |
| 104.222.192.0/20 | IPv4 | 4,096 | JP | |
| 104.222.208.0/21 | IPv4 | 2,048 | JP | |
| 104.222.216.0/22 | IPv4 | 1,024 | JP | |
| 109.236.0.0/20 | IPv4 | 4,096 | JP | |
| 123.100.136.0/22 | IPv4 | 1,024 | JP | |
| 123.100.156.0/22 | IPv4 | 1,024 | JP | |
| 137.220.16.0/20 | IPv4 | 4,096 | JP | |
| 172.97.80.0/20 | IPv4 | 4,096 | JP | |
| 180.131.208.0/23 | IPv4 | 512 | JP | |
| 180.131.210.0/24 | IPv4 | 256 | JP | |
| 180.131.211.0/24 | IPv4 | 256 | JP | |
| 180.131.212.0/22 | IPv4 | 1,024 | JP | |
| 180.131.216.0/21 | IPv4 | 2,048 | JP | |
| 180.131.224.0/19 | IPv4 | 8,192 | JP | |
| 198.144.128.0/20 | IPv4 | 4,096 | JP | |
| 202.12.244.0/23 | IPv4 | 512 | JP | |
| 202.12.246.0/24 | IPv4 | 256 | JP | |
| 202.12.247.0/24 | IPv4 | 256 | JP | |
| 202.171.224.0/21 | IPv4 | 2,048 | JP | |
| 203.23.200.0/22 | IPv4 | 1,024 | JP | |
| 218.223.128.0/21 | IPv4 | 2,048 | JP | |
| 2404:2d00::/32 | IPv6 | — | JP |