| Date | IP Address |
| 2023-08-25 | 104.108.87.202 (ClassC) |
| 2024-09-11 | 104.98.107.169 (ClassC) |
| 2024-12-11 | 104.100.40.20 (ClassC) |
| 2024-12-26 | 23.56.88.18 (ClassC) |
| Date | Domain | IP |
| staging.niccs.us-cert.gov | 2023-08-25 | 104.108.95.151 |
| edit.staging.niccs.us-cert.gov | 2023-08-25 | 104.108.87.202 |
| edit.niccs.us-cert.gov | 2023-08-25 | 23.196.196.228 |
| testint.niccs.us-cert.gov | 2023-08-25 | 104.108.95.151 |
| edit.testint.niccs.us-cert.gov | 2023-08-25 | 104.108.87.202 |
| preview.niccs.us-cert.gov | 2024-01-11 | 23.203.221.70 |
| edit-preview.niccs.us-cert.gov | 2023-08-25 | 23.196.196.228 |
| www.niccs.us-cert.gov | 2023-08-25 | 23.37.214.143 |