Summary
| Country |
 United States
|
| Domain | proofpoint.com |
| Size | 512 |
| Registry | RIPE NCC |
| Network Name | NL-PROOFPOINT |
Whois
CIDR IP address subranges within 91.207.212.0/23 subnet
- 91.207.212.0/24
- 91.207.213.0/24