| Date | IP Address |
| 2024-04-17 | 18.239.183.59 (ClassC) |
| 2024-06-09 | 99.84.238.137 (ClassC) |
| 2024-07-02 | 3.163.165.126 (ClassC) |
| 2024-07-28 | 3.163.165.91 (ClassC) |
| 2024-08-08 | 99.84.66.44 (ClassC) |
| 2024-08-21 | 13.224.14.97 (ClassC) |
| 2024-09-10 | 13.224.14.108 (ClassC) |
| 2024-11-21 | 18.65.3.21 (ClassC) |
| 2024-11-24 | 18.238.238.68 (ClassC) |
| 2025-02-22 | 18.155.202.119 (ClassC) |
| 2025-03-16 | 18.65.3.53 (ClassC) |
| 2025-03-24 | 18.65.3.105 (ClassC) |
| 2025-04-06 | 18.154.101.37 (ClassC) |
| 2025-05-09 | 18.154.101.80 (ClassC) |
| 2025-08-22 | 18.154.101.27 (ClassC) |
| 2025-08-26 | 18.238.238.40 (ClassC) |
| 2025-09-27 | 18.238.238.129 (ClassC) |
| 2025-09-30 | 108.156.211.98 (ClassC) |
| 2026-02-20 | 18.238.238.38 (ClassC) |
| Date | Domain | IP |
| api-ym.yamahalearning.com | 2024-12-27 | 3.163.24.12 |
| www.yamahalearning.com | 2024-11-11 | 3.163.24.124 |