| Date | IP Address |
| 2018-05-08 | 107.154.108.169 (ClassC) |
| 2018-05-20 | 45.60.11.209 (ClassC) |
| 2018-05-22 | 45.60.63.3 (ClassC) |
| 2019-04-15 | 104.91.167.95 (ClassC) |
| 2024-06-28 | 23.41.4.76 (ClassC) |
| 2025-04-01 | 104.18.10.9 (ClassC) |
| 2025-08-10 | 104.18.11.9 (ClassC) |
| Date | Domain | IP |
| enterpriseregistration.advansix.com | 2024-09-13 | 40.126.26.19 |
| investors.advansix.com | 2024-06-28 | 23.41.4.76 |
| www.advansix.com | 2025-05-16 | 165.227.0.63 |