| Date | IP Address |
| 2023-08-25 | 23.209.24.82 (ClassC) |
| 2023-11-02 | 104.103.121.163 (ClassC) |
| 2024-03-10 | 23.44.175.184 (ClassC) |
| 2024-09-01 | 23.46.17.19 (ClassC) |
| 2024-11-25 | 104.70.127.23 (ClassC) |
| 2024-12-26 | 23.46.228.170 (ClassC) |
| 2025-02-05 | 23.46.228.175 (ClassC) |
| Date | Domain | IP |
| mscience.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| pslearning.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| api.sigmaaldrich.cn | 2023-08-25 | 23.209.24.82 |
| wechatplatform.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| mercklsdmp.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| mercklspsdmp.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| webqws.sigmaaldrich.cn | 2023-08-25 | 23.202.200.187 |
| apiqws.sigmaaldrich.cn | 2023-08-25 | 23.202.200.187 |
| mscience-test.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| pslearning-test.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| wechatplatform-test.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| mercklsdmp-test.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| mercklspsdmp-test.sigmaaldrich.cn | 2023-08-25 | 23.37.219.114 |
| www.sigmaaldrich.cn | 2023-08-25 | 23.209.24.82 |