| Date | IP Address |
| 2018-02-12 | 202.97.231.110 (ClassC) |
| 2021-04-23 | 58.215.145.171 (ClassC) |
| 2022-04-26 | 61.160.228.222 (ClassC) |
| 2024-03-17 | 61.160.192.119 (ClassC) |
| 2024-08-11 | 180.163.146.109 (ClassC) |
| 2024-09-08 | 180.163.146.112 (ClassC) |
| 2024-11-04 | 180.163.146.117 (ClassC) |
| 2024-12-26 | 180.163.146.111 (ClassC) |
| 2025-02-26 | 180.163.146.113 (ClassC) |
| 2025-03-31 | 61.160.192.120 (ClassC) |
| 2025-05-19 | 180.163.146.97 (ClassC) |
| 2026-02-28 | 112.126.86.203 (ClassC) |
| Date | Domain | IP |
| login.100yy.com | 2023-07-17 | 182.40.78.172 |
| user.100yy.com | 2025-04-16 | 61.160.192.104 |
| ielts.100yy.com | 2024-01-11 | 61.160.192.118 |
| www.100yy.com | 2024-03-17 | 61.160.192.119 |
| qmjwy.100yy.com | 2024-09-04 | 61.170.79.227 |