Address space
AS1842 USGS-AS
IPv4 prefixes
6
1.28K addresses
IPv6 prefixes
1
Most common size
/24
IPv4
Flagged
1
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 | 7 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 198.187.220.36/32 | IPv4 | 1 | 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
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 130.118.152.0/24 | IPv4 | 256 | US | |
| 137.227.230.0/24 | IPv4 | 256 | US | |
| 152.61.132.0/24 | IPv4 | 256 | US | |
| 152.61.229.0/24 | IPv4 | 256 | US | |
| 192.55.108.0/24 | IPv4 | 256 | US | |
| 198.187.220.36/32 | IPv4 | 1 | US | Too specific |
| 2001:49c8:4000::/48 | IPv6 | — | US |