| Date | IP Address |
| 2015-03-12 | 199.83.134.60 (ClassC) |
| 2024-09-17 | 162.159.242.125 (ClassC) |
| 2026-02-17 | 162.159.243.125 (ClassC) |
| Date | Domain | IP |
| email.fireeyecloud.com | 2014-11-07 | 199.83.134.132 |
| 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 |
| etp.fireeyecloud.com | 2015-03-12 | 199.83.134.60 |
| www.fireeyecloud.com | 2025-12-31 | 162.210.234.130 |
| mvx.fireeyecloud.com | 2025-12-28 | 100.21.166.74 |
| beta.mvx.fireeyecloud.com | 2024-02-18 | 18.161.6.75 |