| Date | IP Address |
| 2018-08-18 | 209.135.212.132 (ClassC) |
| 2019-04-29 | 165.254.91.98 (ClassC) |
| 2019-05-17 | 3.93.93.1 (ClassC) |
| 2019-05-17 | 3.93.93.2 (ClassC) |
| 2019-05-17 | 3.93.93.0 (ClassC) |
| 2019-09-09 | 3.93.93.43 (ClassC) |
| 2019-12-11 | 3.93.93.51 (ClassC) |
| 2019-12-11 | 3.93.93.52 (ClassC) |
| 2020-03-17 | 3.93.93.53 (ClassC) |
| 2022-09-01 | 34.223.36.121 (ClassC) |
| 2022-09-01 | 34.223.36.122 (ClassC) |
| 2023-08-15 | 34.223.36.126 (ClassC) |
| 2025-05-26 | 3.93.93.45 (ClassC) |
| 2025-06-05 | 3.93.93.44 (ClassC) |
| 2025-06-11 | 34.223.36.124 (ClassC) |
| 2025-12-17 | 34.223.36.123 (ClassC) |
| 2026-02-18 | 34.223.36.125 (ClassC) |
| Date | Domain | IP |
| alt1.emea.email.fireeyecloud.com | 2023-08-15 | 63.34.218.9 |
| alt2.emea.email.fireeyecloud.com | 2023-08-15 | 63.34.218.9 |
| alt3.emea.email.fireeyecloud.com | 2024-12-29 | 63.34.218.8 |
| mx.emea.email.fireeyecloud.com | 2025-12-18 | 3.123.5.9 |
| primary.emea.email.fireeyecloud.com | 2025-12-18 | 63.34.218.6 |
| alt1.ap.email.fireeyecloud.com | 2025-01-01 | 3.112.99.0 |
| alt2.ap.email.fireeyecloud.com | 2024-10-27 | 3.112.99.0 |
| alt3.ap.email.fireeyecloud.com | 2025-01-19 | 3.112.99.2 |
| alt1.us.email.fireeyecloud.com | 2024-10-28 | 3.93.93.51 |
| alt2.us.email.fireeyecloud.com | 2023-08-15 | 34.223.36.126 |
| alt3.us.email.fireeyecloud.com | 2023-08-15 | 34.223.36.126 |