Address space
AS23639 NTT-BIZLINK NTT Bizlink, Inc.
IPv4 prefixes
4
6.14K addresses
IPv6 prefixes
1
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 | 5 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 111.90.160.0/21 | IPv4 | 2,048 | JP | |
| 117.20.72.0/21 | IPv4 | 2,048 | JP | |
| 202.8.80.0/22 | IPv4 | 1,024 | JP | |
| 202.74.4.0/22 | IPv4 | 1,024 | JP | |
| 2402:7a00::/32 | IPv6 | — | JP |