| Date | IP Address |
| 2019-02-25 | 52.19.8.20 (ClassC) |
| 2023-08-04 | 34.246.138.231 (ClassC) |
| 2023-08-18 | 54.229.185.78 (ClassC) |
| 2023-08-29 | 54.171.169.165 (ClassC) |
| 2024-05-09 | 18.245.96.128 (ClassC) |
| 2024-07-22 | 3.163.24.60 (ClassC) |
| 2024-08-05 | 3.163.24.84 (ClassC) |
| 2024-09-10 | 108.138.159.47 (ClassC) |
| 2024-09-27 | 204.246.191.63 (ClassC) |
| 2024-10-01 | 3.167.99.106 (ClassC) |
| 2024-11-03 | 204.246.191.124 (ClassC) |
| 2024-11-24 | 18.238.238.32 (ClassC) |
| 2024-12-24 | 18.238.238.67 (ClassC) |
| 2025-01-04 | 18.238.238.125 (ClassC) |
| 2025-01-19 | 204.246.191.120 (ClassC) |
| 2025-02-10 | 3.163.24.72 (ClassC) |
| 2025-05-04 | 3.163.24.95 (ClassC) |
| 2025-08-08 | 13.249.9.72 (ClassC) |
| 2026-01-08 | 3.169.173.122 (ClassC) |
| 2026-01-24 | 3.169.173.72 (ClassC) |
| Date | Domain | IP |
| staging.citizensinformation.ie | 2026-01-09 | 54.78.88.228 |
| control.citizensinformation.ie | 2024-09-27 | 52.208.223.237 |
| whatsnew.citizensinformation.ie | 2025-09-07 | 54.247.59.89 |
| www.whatsnew.citizensinformation.ie | 2025-07-17 | 54.247.59.89 |
| www.citizensinformation.ie | 2023-08-04 | 34.246.138.231 |
| new-www.citizensinformation.ie | 2023-08-31 | 54.229.185.78 |