| Date | IP Address |
| 2019-11-20 | 121.22.226.27 (ClassC) |
| 2019-12-07 | 103.110.159.40 (ClassC) |
| 2019-12-07 | 112.253.41.253 (ClassC) |
| 2020-07-07 | 42.48.244.160 (ClassC) |
| 2020-07-30 | 218.98.50.56 (ClassC) |
| 2025-01-15 | 13.107.246.70 (ClassC) |
| 2025-08-04 | 13.107.253.70 (ClassC) |
| 2025-11-02 | 13.107.226.70 (ClassC) |
| Date | Domain | IP |
| career.covestro.cn | 2025-07-07 | 20.50.2.72 |
| www.career.covestro.cn | 2025-09-21 | 20.50.2.72 |
| productsafetyfirst.covestro.cn | 2025-09-18 | 20.50.2.72 |
| www.productsafetyfirst.covestro.cn | 2025-05-23 | 20.50.2.72 |
| www.covestro.cn | 2025-01-15 | 13.107.246.70 |