Address space
AS2511 CORE Nippon Telegraph and Telephone Corporation
IPv4 prefixes
5
41.73K addresses
IPv6 prefixes
0
Most common size
/24
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.
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 5 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 163.138.0.0/17 | IPv4 | 32,768 | JP | |
| 163.138.128.0/19 | IPv4 | 8,192 | JP | |
| 192.5.216.0/24 | IPv4 | 256 | JP | |
| 192.26.94.0/24 | IPv4 | 256 | JP | |
| 192.47.167.0/24 | IPv4 | 256 | JP |