| Property | Value |
| NameServer | STLDNSR02.SIAL.COM |
| Created | 1998-07-20 00:00:00 |
| Changed | 2014-03-11 00:00:00 |
| Expires | 2019-07-19 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2018-10-14 | 104.81.244.75 (ClassC) |
| 2019-11-09 | 172.224.0.136 (ClassC) |
| 2023-08-26 | 104.100.79.160 (ClassC) |
| 2023-10-31 | 23.198.169.151 (ClassC) |
| 2023-11-16 | 95.101.160.135 (ClassC) |
| 2024-05-02 | 23.46.17.55 (ClassC) |
| 2024-05-11 | 23.46.17.62 (ClassC) |
| 2024-06-06 | 23.46.17.38 (ClassC) |
| 2024-06-24 | 23.221.22.53 (ClassC) |
| 2024-07-05 | 104.70.127.30 (ClassC) |
| 2024-08-01 | 23.46.17.28 (ClassC) |
| 2024-08-10 | 23.44.175.185 (ClassC) |
| 2024-08-27 | 23.46.228.164 (ClassC) |
| 2024-10-30 | 23.54.19.153 (ClassC) |
| Date | Domain | IP |
| b2b.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| api.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| images.go.sigmaaldrich.com | 2014-03-02 | 198.173.2.80 |
| ir.sigmaaldrich.com | 2024-10-28 | 23.215.176.41 |
| apidws.sigmaaldrich.com | 2024-08-28 | 23.54.19.138 |
| wwwpws.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| b2bqws.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| perfqws.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| apiqws.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| wwwqws.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |
| www.sigmaaldrich.com | 2023-08-26 | 104.100.79.160 |