Address space
AS131921 GMOCL GMO GlobalSign Holdings K.K.
IPv4 prefixes
22
91.90K addresses
IPv6 prefixes
4
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 | 26 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 133.117.148.0/22 | IPv4 | 1,024 | JP | |
| 133.117.152.0/21 | IPv4 | 2,048 | JP | |
| 153.122.0.0/16 | IPv4 | 65,536 | JP | |
| 153.123.0.0/24 | IPv4 | 256 | JP | |
| 153.123.1.0/24 | IPv4 | 256 | JP | |
| 153.123.2.0/23 | IPv4 | 512 | JP | |
| 153.123.4.0/22 | IPv4 | 1,024 | JP | |
| 153.123.8.0/23 | IPv4 | 512 | JP | |
| 153.123.10.0/23 | IPv4 | 512 | JP | |
| 153.123.12.0/22 | IPv4 | 1,024 | JP | |
| 153.123.16.0/21 | IPv4 | 2,048 | JP | |
| 153.124.128.0/22 | IPv4 | 1,024 | JP | |
| 153.124.132.0/24 | IPv4 | 256 | JP | |
| 153.124.133.0/24 | IPv4 | 256 | JP | |
| 153.124.134.0/23 | IPv4 | 512 | JP | |
| 153.124.136.0/21 | IPv4 | 2,048 | JP | |
| 153.124.144.0/21 | IPv4 | 2,048 | JP | |
| 157.120.115.0/24 | IPv4 | 256 | JP | |
| 180.131.136.0/21 | IPv4 | 2,048 | JP | |
| 180.222.176.0/20 | IPv4 | 4,096 | JP | |
| 202.237.148.0/23 | IPv4 | 512 | JP | |
| 210.158.32.0/20 | IPv4 | 4,096 | JP | |
| 2406:a1c0:2::/48 | IPv6 | — | JP | |
| 2406:a1c0:100::/40 | IPv6 | — | JP | |
| 2406:a1c0:200::/39 | IPv6 | — | JP | |
| 2406:a1c0:400::/40 | IPv6 | — | JP |