Address space
AS174 COGENT-174
IPv4 prefixes
9,898
24.41M addresses
IPv6 prefixes
1,368
Most common size
/24
IPv4
Flagged
9
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 |
|---|---|---|
| US | United States of America | 11,266 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 38.96.169.0/25 | IPv4 | 128 | US | Too specific |
| 38.229.72.0/28 | IPv4 | 16 | US | Too specific |
| 38.229.72.17/32 | IPv4 | 1 | US | Too specific |
| 38.229.72.18/31 | IPv4 | 2 | US | Too specific |
| 38.229.72.20/30 | IPv4 | 4 | US | Too specific |
| 38.229.72.24/29 | IPv4 | 8 | US | Too specific |
| 38.229.72.32/27 | IPv4 | 32 | US | Too specific |
| 38.229.72.64/26 | IPv4 | 64 | US | Too specific |
| 38.229.72.128/25 | IPv4 | 128 | US | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.
Inventory
All prefixes
Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.