| Date | IP Address |
| 2021-02-24 | 47.246.24.231 (ClassC) |
| 2021-02-24 | 8.45.52.221 (ClassC) |
| 2024-09-02 | 23.46.17.25 (ClassC) |
| 2024-11-07 | 23.46.228.170 (ClassC) |
| Date | Domain | IP |
| 1.sec.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |
| 1.boe.sec.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |
| 1-test.boe.sec.feishu-pre.cn | 2024-08-08 | 23.46.228.173 |
| 1.test-cof.sec.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |
| 1.cof.sec.feishu-pre.cn | 2024-09-02 | 23.46.228.177 |
| 1-test.sec.feishu-pre.cn | 2024-01-09 | 104.98.114.176 |
| 1.test.sec.feishu-pre.cn | 2024-09-02 | 23.54.19.99 |