| Date | IP Address |
| 2018-03-08 | 52.17.156.99 (ClassC) |
| 2020-04-04 | 34.251.181.41 (ClassC) |
| 2021-09-08 | 52.211.154.123 (ClassC) |
| 2021-11-20 | 52.213.222.4 (ClassC) |
| 2022-04-21 | 34.240.90.156 (ClassC) |
| 2023-04-26 | 52.215.50.2 (ClassC) |
| 2023-07-03 | 54.229.228.42 (ClassC) |
| 2024-11-29 | 104.18.42.66 (ClassC) |
| 2025-05-16 | 34.243.68.209 (ClassC) |
| 2025-06-01 | 52.214.52.208 (ClassC) |
| 2025-07-01 | 34.251.55.229 (ClassC) |
| 2025-07-01 | 52.31.90.60 (ClassC) |
| 2025-07-16 | 52.208.178.198 (ClassC) |
| 2025-08-03 | 52.50.72.53 (ClassC) |
| 2025-08-04 | 52.50.60.16 (ClassC) |
| 2025-08-20 | 54.229.105.3 (ClassC) |
| 2025-11-06 | 3.171.100.119 (ClassC) |
| 2026-01-24 | 3.169.173.110 (ClassC) |
| Date | Domain | IP |
| access.prod.mhprofessional.com | 2026-01-03 | 3.215.4.97 |
| staging.access.nonprod.mhprofessional.com | 2026-01-18 | 52.0.12.163 |
| www.mhprofessional.com | 2024-11-29 | 104.18.42.66 |