Address space
AS17937 NDMC NIKKEI ADVANCED SYSTEMS INC.
IPv4 prefixes
3
5.38K addresses
IPv6 prefixes
1
Most common size
/20
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 | 4 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 115.187.92.0/22 | IPv4 | 1,024 | JP | |
| 202.26.187.0/24 | IPv4 | 256 | JP | |
| 218.216.16.0/20 | IPv4 | 4,096 | JP | |
| 2404:cb00::/32 | IPv6 | — | JP |