Address space
AS23138 FIRST-STEP
IPv4 prefixes
25
17.66K addresses
IPv6 prefixes
1
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.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 26 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 64.126.128.0/21 | IPv4 | 2,048 | US | |
| 64.126.136.0/24 | IPv4 | 256 | US | |
| 64.126.137.0/24 | IPv4 | 256 | US | |
| 64.126.138.0/24 | IPv4 | 256 | US | |
| 64.126.139.0/24 | IPv4 | 256 | US | |
| 64.126.140.0/22 | IPv4 | 1,024 | US | |
| 64.126.144.0/20 | IPv4 | 4,096 | US | |
| 64.126.160.0/23 | IPv4 | 512 | US | |
| 64.126.162.0/24 | IPv4 | 256 | US | |
| 64.126.163.0/24 | IPv4 | 256 | US | |
| 64.126.164.0/22 | IPv4 | 1,024 | US | |
| 64.126.168.0/21 | IPv4 | 2,048 | US | |
| 64.126.176.0/21 | IPv4 | 2,048 | US | |
| 64.126.184.0/24 | IPv4 | 256 | US | |
| 64.126.185.0/24 | IPv4 | 256 | US | |
| 64.126.186.0/24 | IPv4 | 256 | US | |
| 64.126.187.0/24 | IPv4 | 256 | US | |
| 64.126.188.0/24 | IPv4 | 256 | US | |
| 64.126.189.0/24 | IPv4 | 256 | US | |
| 64.126.190.0/24 | IPv4 | 256 | US | |
| 64.126.191.0/24 | IPv4 | 256 | US | |
| 198.206.162.0/24 | IPv4 | 256 | US | |
| 199.245.242.0/24 | IPv4 | 256 | US | |
| 204.52.245.0/24 | IPv4 | 256 | US | |
| 204.52.246.0/23 | IPv4 | 512 | US | |
| 2604:2a00::/32 | IPv6 | — | US |