| Date | IP Address |
| 2020-04-27 | 99.84.251.36 (ClassC) |
| 2020-04-27 | 99.84.251.98 (ClassC) |
| 2020-04-27 | 99.84.251.99 (ClassC) |
| 2020-05-31 | 13.224.209.106 (ClassC) |
| 2021-04-15 | 13.249.93.84 (ClassC) |
| 2021-04-15 | 13.249.93.33 (ClassC) |
| 2021-04-15 | 13.249.93.77 (ClassC) |
| 2021-05-10 | 52.85.91.74 (ClassC) |
| 2021-05-10 | 52.85.91.35 (ClassC) |
| 2022-03-08 | 108.156.107.7 (ClassC) |
| 2024-09-28 | 18.161.6.33 (ClassC) |
| 2024-12-22 | 3.163.24.96 (ClassC) |
| 2025-03-08 | 3.165.160.34 (ClassC) |
| 2025-03-20 | 99.84.66.80 (ClassC) |
| 2025-03-29 | 18.238.238.43 (ClassC) |
| 2025-04-16 | 99.84.66.55 (ClassC) |
| 2025-09-25 | 3.175.34.92 (ClassC) |
| 2025-10-31 | 3.175.34.18 (ClassC) |
| 2026-02-04 | 3.175.34.98 (ClassC) |
| 2026-02-28 | 3.175.34.96 (ClassC) |
| Date | Domain | IP |
| login.agentmessagecenter-stage.optum.com | 2024-11-01 | 18.64.67.35 |
| admin.login.agentmessagecenter-stage.optum.com | 2024-09-28 | 18.161.6.33 |