Address space
AS17516 NTTCOMWARE NTT COMWARE CORPORATION
IPv4 prefixes
16
19.46K addresses
IPv6 prefixes
2
Most common size
/23
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 | 18 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 132.222.121.0/24 | IPv4 | 256 | JP | |
| 132.222.160.0/24 | IPv4 | 256 | JP | |
| 132.222.192.0/23 | IPv4 | 512 | JP | |
| 132.222.224.0/24 | IPv4 | 256 | JP | |
| 163.137.128.0/19 | IPv4 | 8,192 | JP | |
| 163.137.188.0/24 | IPv4 | 256 | JP | |
| 163.137.194.0/23 | IPv4 | 512 | JP | |
| 163.137.196.0/23 | IPv4 | 512 | JP | |
| 163.137.200.0/21 | IPv4 | 2,048 | JP | |
| 163.137.208.0/23 | IPv4 | 512 | JP | |
| 163.137.212.0/22 | IPv4 | 1,024 | JP | |
| 163.137.216.0/22 | IPv4 | 1,024 | JP | |
| 163.137.220.0/23 | IPv4 | 512 | JP | |
| 163.137.224.0/22 | IPv4 | 1,024 | JP | |
| 163.137.230.0/23 | IPv4 | 512 | JP | |
| 163.137.232.0/21 | IPv4 | 2,048 | JP | |
| 2403:2d00:3::/48 | IPv6 | — | JP | |
| 2403:2d00:8000::/33 | IPv6 | — | JP |