| Date | IP Address |
| 2021-02-28 | 8.45.52.222 (ClassC) |
| 2021-02-28 | 8.45.52.228 (ClassC) |
| 2021-02-28 | 47.246.24.231 (ClassC) |
| 2021-02-28 | 8.45.52.221 (ClassC) |
| 2024-09-02 | 23.46.17.25 (ClassC) |
| 2024-10-04 | 23.46.17.4 (ClassC) |
| 2025-01-12 | 23.44.175.155 (ClassC) |
| 2025-03-25 | 23.46.228.177 (ClassC) |
| 2025-04-11 | 23.202.47.49 (ClassC) |
| 2025-05-03 | 23.46.228.173 (ClassC) |
| 2025-07-02 | 23.216.147.200 (ClassC) |
| 2025-09-13 | 98.96.213.145 (ClassC) |
| Date | Domain | IP |
| 1.sec.test.feishu-pre.cn | 2024-09-02 | 23.54.19.171 |
| 1-cof.sec.test.feishu-pre.cn | 2024-09-02 | 23.46.17.4 |
| 1.cof.sec.test.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |