Address space
AS11971 PFIZERNET-GROTON
IPv4 prefixes
25
55.30K addresses
IPv6 prefixes
0
Most common size
/22
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 |
|---|---|---|
| US | United States of America | 25 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 146.240.1.0/24 | IPv4 | 256 | US | |
| 148.168.0.0/19 | IPv4 | 8,192 | US | |
| 148.168.32.0/22 | IPv4 | 1,024 | US | |
| 148.168.36.0/22 | IPv4 | 1,024 | US | |
| 148.168.40.0/21 | IPv4 | 2,048 | US | |
| 148.168.48.0/20 | IPv4 | 4,096 | US | |
| 148.168.65.0/24 | IPv4 | 256 | US | |
| 148.168.66.0/23 | IPv4 | 512 | US | |
| 148.168.68.0/22 | IPv4 | 1,024 | US | |
| 148.168.72.0/22 | IPv4 | 1,024 | US | |
| 148.168.78.0/23 | IPv4 | 512 | US | |
| 148.168.84.0/22 | IPv4 | 1,024 | US | |
| 148.168.88.0/21 | IPv4 | 2,048 | US | |
| 148.168.128.0/18 | IPv4 | 16,384 | US | |
| 148.168.192.0/23 | IPv4 | 512 | US | |
| 148.168.194.0/23 | IPv4 | 512 | US | |
| 148.168.196.0/22 | IPv4 | 1,024 | US | |
| 148.168.200.0/21 | IPv4 | 2,048 | US | |
| 148.168.208.0/21 | IPv4 | 2,048 | US | |
| 148.168.218.0/23 | IPv4 | 512 | US | |
| 148.168.220.0/22 | IPv4 | 1,024 | US | |
| 148.168.224.0/22 | IPv4 | 1,024 | US | |
| 148.168.228.0/22 | IPv4 | 1,024 | US | |
| 148.168.232.0/21 | IPv4 | 2,048 | US | |
| 148.168.240.0/20 | IPv4 | 4,096 | US |