All IP addresses of Proofpoint, Inc.
All IP ranges of all Internet Service Providers (ISPs) and organizations with dedicated IP ranges.
Link to your report: https://w-e-b.site/?act=report&id=fcd1659b6857560d13df4984124baf4cAll IP ranges of Proofpoint, Inc.
66.159.232.0/22 66.159.236.0/23 91.207.212.0/23 91.209.104.0/24 143.55.144.0/22 143.55.148.0/23 143.55.150.0/24 185.132.180.0/22 185.183.28.0/22 205.220.184.0/23 208.84.64.0/24 208.86.200.0/24 2a0a:2b00::/43