Address space
AS26211 PROOFPOINT-ASN-US-WEST
IPv4 prefixes
18
14.59K addresses
IPv6 prefixes
2
Most common size
/23
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 | 20 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 66.159.227.0/24 | IPv4 | 256 | US | |
| 66.159.240.0/23 | IPv4 | 512 | US | |
| 66.159.248.0/23 | IPv4 | 512 | US | |
| 67.231.144.0/21 | IPv4 | 2,048 | US | |
| 67.231.158.0/23 | IPv4 | 512 | US | |
| 148.163.132.0/22 | IPv4 | 1,024 | US | |
| 148.163.144.0/21 | IPv4 | 2,048 | US | |
| 148.163.156.0/23 | IPv4 | 512 | US | |
| 205.220.160.0/21 | IPv4 | 2,048 | US | |
| 205.220.168.0/22 | IPv4 | 1,024 | US | |
| 205.220.186.0/24 | IPv4 | 256 | US | |
| 205.220.190.0/23 | IPv4 | 512 | US | |
| 208.56.8.0/22 | IPv4 | 1,024 | US | |
| 208.56.16.0/24 | IPv4 | 256 | US | |
| 208.56.56.0/22 | IPv4 | 1,024 | US | |
| 208.84.65.0/24 | IPv4 | 256 | US | |
| 208.84.66.0/24 | IPv4 | 256 | US | |
| 208.86.202.0/23 | IPv4 | 512 | US | |
| 2620:100:9000::/47 | IPv6 | — | US | |
| 2620:100:900c::/47 | IPv6 | — | US |