| Date | IP Address |
| 2016-11-11 | 23.197.193.195 (ClassC) |
| 2022-09-08 | 108.138.159.44 (ClassC) |
| 2023-08-22 | 99.84.66.76 (ClassC) |
| 2024-02-12 | 18.165.183.106 (ClassC) |
| 2024-02-22 | 99.84.66.113 (ClassC) |
| 2024-12-22 | 13.249.9.108 (ClassC) |
| 2025-03-20 | 99.86.38.80 (ClassC) |
| 2025-03-22 | 52.85.65.88 (ClassC) |
| 2025-05-17 | 99.86.38.40 (ClassC) |
| 2025-08-24 | 3.167.56.35 (ClassC) |
| 2025-09-13 | 3.169.173.110 (ClassC) |
| 2026-02-13 | 3.169.173.15 (ClassC) |
| 2026-03-05 | 3.169.173.32 (ClassC) |
| Date | Domain | IP |
| keycloak.internal.csit.gov.sg | 2025-11-26 | 104.18.42.133 |
| www.csit.gov.sg | 2023-08-22 | 99.84.66.76 |