| Date | IP Address |
| 2023-08-26 | 20.105.216.15 (ClassC) |
| 2025-08-10 | 20.50.2.72 (ClassC) |
| Date | Domain | IP |
| career.covestro.cn | 2025-07-07 | 20.50.2.72 |
| www.career.covestro.cn | 2025-05-22 | 20.50.2.72 |
| productsafetyfirst.covestro.cn | 2025-05-22 | 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 |