| Date | IP Address |
| 2019-08-07 | 72.5.254.213 (ClassC) |
| 2024-08-25 | 3.163.24.7 (ClassC) |
| 2024-09-24 | 3.163.24.77 (ClassC) |
| 2024-10-05 | 3.165.160.71 (ClassC) |
| 2024-12-06 | 3.163.24.67 (ClassC) |
| 2024-12-15 | 3.165.160.116 (ClassC) |
| 2025-01-12 | 3.163.165.125 (ClassC) |
| Date | Domain | IP |
| w3.columbia-investors.com | 2023-10-30 | 3.163.165.110 |
| www.columbia-investors.com | 2024-08-25 | 3.163.24.7 |