| Date | IP Address |
| 2024-04-01 | 104.21.67.173 (ClassC) |
| 2024-05-24 | 52.9.166.110 (ClassC) |
| 2024-08-28 | 50.18.215.94 (ClassC) |
| 2024-11-25 | 13.52.115.166 (ClassC) |
| 2025-03-25 | 54.215.62.21 (ClassC) |
| Date | Domain | IP |
| analytics.pillarfour.com | 2023-08-15 | 34.196.240.200 |
| www.pillarfour.com | 2024-04-01 | 104.21.67.173 |