Address space
AS173 NTTECL-AS Nippon Telegraph and Telephone Corporation
IPv4 prefixes
2
8.70K addresses
IPv6 prefixes
0
Most common size
/19
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 | 2 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 163.138.160.0/19 | IPv4 | 8,192 | JP | |
| 192.47.168.0/23 | IPv4 | 512 | JP |