| Date | IP Address |
| 2021-02-23 | 8.45.52.221 (ClassC) |
| 2024-09-02 | 23.46.17.4 (ClassC) |
| 2024-11-07 | 23.54.19.99 (ClassC) |
| Date | Domain | IP |
| 1-uams.sgea2.pre.feishu-pre.cn | 2024-03-11 | 23.46.17.7 |
| 1-uams.pre.feishu-pre.cn | 2024-09-02 | 23.46.228.177 |
| 1.sgea2-uams.pre.feishu-pre.cn | 2024-09-02 | 23.46.17.25 |
| 1.uams.pre.feishu-pre.cn | 2024-09-02 | 23.46.17.4 |
| 1.sgea1.uams.pre.feishu-pre.cn | 2024-09-02 | 23.46.17.4 |