| Date | IP Address |
| 2023-06-26 | 54.209.63.70 (ClassC) |
| 2024-02-04 | 23.20.149.239 (ClassC) |
| 2024-11-24 | 18.210.132.154 (ClassC) |
| 2025-01-06 | 44.194.127.207 (ClassC) |
| 2025-01-13 | 18.213.27.29 (ClassC) |
| 2025-01-22 | 34.233.157.78 (ClassC) |
| 2025-05-08 | 34.198.37.118 (ClassC) |
| 2025-07-11 | 52.21.243.5 (ClassC) |
| 2025-08-08 | 44.196.31.140 (ClassC) |
| 2025-08-27 | 13.216.172.11 (ClassC) |
| 2025-09-01 | 23.23.2.51 (ClassC) |
| 2025-10-22 | 52.5.9.179 (ClassC) |
| 2026-01-04 | 34.226.49.69 (ClassC) |
| 2026-01-23 | 52.70.22.89 (ClassC) |
| 2026-02-07 | 13.223.106.62 (ClassC) |
| 2026-02-26 | 34.197.4.140 (ClassC) |
| Date | Domain | IP |
| store.hmhbooks.com | 2026-02-16 | 52.202.117.14 |
| www.store.hmhbooks.com | 2024-11-24 | 18.210.132.154 |
| www.hmhbooks.com | 2024-11-24 | 54.88.81.136 |