| Date | IP Address |
| 2022-04-10 | 219.154.245.172 (ClassC) |
| 2024-07-29 | 123.6.40.242 (ClassC) |
| 2025-01-13 | 221.204.43.213 (ClassC) |
| 2025-02-01 | 113.194.50.133 (ClassC) |
| 2025-02-01 | 14.205.93.55 (ClassC) |
| 2025-02-01 | 58.144.195.129 (ClassC) |
| 2025-02-02 | 123.6.40.102 (ClassC) |
| 2025-06-17 | 61.161.1.24 (ClassC) |
| 2025-06-25 | 116.196.155.100 (ClassC) |
| 2025-07-13 | 42.177.83.178 (ClassC) |
| 2025-08-12 | 116.169.184.178 (ClassC) |
| 2025-08-23 | 42.177.83.85 (ClassC) |
| 2025-08-31 | 61.241.148.187 (ClassC) |
| 2025-11-21 | 123.6.33.135 (ClassC) |
| 2026-02-09 | 220.197.201.183 (ClassC) |
| Date | Domain | IP |
| qcloud.originqc.com.cn | 2026-01-01 | 220.197.201.183 |
| app.originqc.com.cn | 2024-07-29 | 123.6.40.242 |
| contest.originqc.com.cn | 2025-11-19 | 113.59.44.68 |
| mcontest.originqc.com.cn | 2025-11-19 | 211.97.84.182 |