| Date | IP Address |
| 2024-05-13 | 100.25.226.44 (ClassC) |
| 2024-07-25 | 3.222.87.188 (ClassC) |
| 2024-08-14 | 34.196.136.181 (ClassC) |
| 2024-09-21 | 54.167.182.57 (ClassC) |
| 2024-12-13 | 34.224.184.253 (ClassC) |
| 2025-01-21 | 52.86.192.225 (ClassC) |
| 2025-04-14 | 18.233.85.234 (ClassC) |
| 2025-04-18 | 18.210.100.3 (ClassC) |
| 2025-05-26 | 18.233.26.106 (ClassC) |
| 2025-08-06 | 35.169.118.180 (ClassC) |
| 2025-08-24 | 52.71.24.243 (ClassC) |
| 2025-09-02 | 3.214.170.207 (ClassC) |
| 2025-10-29 | 54.157.81.15 (ClassC) |
| 2026-01-06 | 54.173.168.15 (ClassC) |
| Date | Domain | IP |
| app01.tsg.hmhco.com | 2024-06-10 | 54.83.129.103 |
| app01.cert.tsg.hmhco.com | 2024-05-13 | 100.25.226.44 |