| Date | IP Address |
| 2021-02-25 | 47.246.24.231 (ClassC) |
| 2021-02-25 | 8.45.52.221 (ClassC) |
| 2024-09-02 | 23.46.17.25 (ClassC) |
| 2024-11-07 | 23.46.228.170 (ClassC) |
| Date | Domain | IP |
| 01.docs.feishu-pre.cn | 2024-04-03 | 23.46.17.4 |
| 07.docs.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |
| 08.docs.feishu-pre.cn | 2024-09-02 | 23.46.228.177 |
| 09.docs.feishu-pre.cn | 2024-09-02 | 23.46.17.4 |
| 02-test.docs.feishu-pre.cn | 2024-09-02 | 23.54.19.99 |
| 07-test.docs.feishu-pre.cn | 2024-09-02 | 23.54.19.171 |
| 06.test.docs.feishu-pre.cn | 2024-09-02 | 23.54.19.99 |