| Date | IP Address |
| 2024-02-15 | 3.221.63.174 (ClassC) |
| 2024-11-19 | 35.168.228.147 (ClassC) |
| 2026-01-08 | 3.216.222.188 (ClassC) |
| Date | Domain | IP |
| workbench-staging.cisecurity.org | 2025-10-27 | 104.18.24.122 |
| learn.cisecurity.org | 2025-06-22 | 34.237.219.119 |
| surveys.cisecurity.org | 2025-11-17 | 23.41.4.70 |
| csat.cisecurity.org | 2026-01-08 | 3.216.222.188 |