Address space
AS131932 JEIS-NET JR East Information Systems Company
IPv4 prefixes
2
328K addresses
IPv6 prefixes
0
Most common size
/14
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 |
|---|---|---|---|---|
| 157.71.0.0/16 | IPv4 | 65,536 | JP | |
| 157.72.0.0/14 | IPv4 | 262,144 | JP |