Address space
AS63798 IPA-ENTERNET Industrial Cyber Security Center of Excellence
IPv4 prefixes
2
9.22K addresses
IPv6 prefixes
2
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.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 4 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 163.220.192.0/19 | IPv4 | 8,192 | JP | |
| 163.220.228.0/22 | IPv4 | 1,024 | JP | |
| 2401:5e40:c100::/40 | IPv6 | — | JP | |
| 2401:5e40:c600::/39 | IPv6 | — | JP |