Address space
AS26397 OPTIPUTER
Unclassified ARIN
IPv4 prefixes
11
6.77K addresses
IPv6 prefixes
1
Most common size
/24
IPv4
Flagged
6
Shape
IPv4 prefix sizes
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
IPv6 prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 12 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 67.58.53.0/25 | IPv4 | 128 | US | Too specific |
| 67.58.53.128/28 | IPv4 | 16 | US | Too specific |
| 67.58.53.160/27 | IPv4 | 32 | US | Too specific |
| 67.58.53.192/26 | IPv4 | 64 | US | Too specific |
| 67.58.54.0/25 | IPv4 | 128 | US | Too specific |
| 2607:f720:1700:1b30::/64 | IPv6 | /64 | US | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.