| Date | IP Address |
| 2025-04-08 | 3.233.231.123 (ClassC) |
| 2025-04-17 | 52.20.77.192 (ClassC) |
| 2025-07-08 | 54.161.156.176 (ClassC) |
| 2025-07-24 | 35.172.34.252 (ClassC) |
| 2025-08-28 | 34.232.21.151 (ClassC) |
| 2025-08-28 | 44.205.167.160 (ClassC) |
| 2025-09-08 | 3.218.120.27 (ClassC) |
| 2025-11-22 | 34.231.190.153 (ClassC) |
| 2025-11-30 | 52.7.17.2 (ClassC) |
| 2026-01-13 | 3.220.187.34 (ClassC) |
| 2026-02-20 | 98.89.204.159 (ClassC) |
| Date | Domain | IP |
| us1.proofpointessentials.com | 2025-09-02 | 34.206.244.241 |
| us2.proofpointessentials.com | 2025-10-14 | 52.73.191.146 |
| us4.proofpointessentials.com | 2025-11-22 | 34.231.190.153 |
| us5.proofpointessentials.com | 2025-06-24 | 3.81.237.251 |
| www.proofpointessentials.com | 2025-11-23 | 45.60.151.207 |