Address space
AS2505 HEPNET-J High Energy Accelerator Research Organization, KEK
IPv4 prefixes
4
74.24K 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 | 4 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 130.87.0.0/16 | IPv4 | 65,536 | JP | |
| 192.153.112.0/24 | IPv4 | 256 | JP | |
| 192.153.114.0/24 | IPv4 | 256 | JP | |
| 202.13.192.0/19 | IPv4 | 8,192 | JP |