Summary
| Country |
 United States
|
| Domain | proofpoint.com |
| Size | 1,024 |
| Registry | RIPE NCC |
| Network Name | PROOF |
Whois
CIDR IP address subranges within 66.159.244.0/22 subnet
- 66.159.244.0/24
- 66.159.245.0/24
- 66.159.246.0/24
- 66.159.247.0/24