| Date | IP Address |
| 2022-10-27 | 52.21.88.10 (ClassC) |
| 2023-11-11 | 34.193.217.253 (ClassC) |
| 2024-07-22 | 3.208.47.84 (ClassC) |
| 2024-12-25 | 18.233.189.69 (ClassC) |
| 2025-03-11 | 34.204.158.199 (ClassC) |
| 2025-03-26 | 50.17.63.122 (ClassC) |
| 2025-05-04 | 52.71.34.20 (ClassC) |
| 2025-05-23 | 54.91.151.206 (ClassC) |
| 2025-06-11 | 54.163.249.200 (ClassC) |
| 2025-08-23 | 3.213.198.115 (ClassC) |
| 2025-09-07 | 34.239.84.221 (ClassC) |
| 2026-01-06 | 52.1.220.191 (ClassC) |
| Date | Domain | IP |
| sgtm.yuh.com | 2025-07-25 | 195.15.194.37 |
| viewsgtm.yuh.com | 2025-09-07 | 195.15.194.37 |
| chatbot.yuh.com | 2025-09-07 | 194.6.188.61 |
| www.yuh.com | 2024-11-15 | 99.84.66.86 |
| library.yuh.com | 2025-03-11 | 34.204.158.199 |