| Date | IP Address |
| 2025-03-20 | 52.74.121.200 (ClassC) |
| 2025-05-12 | 3.1.62.74 (ClassC) |
| 2025-07-21 | 13.228.5.116 (ClassC) |
| 2025-10-17 | 52.77.138.62 (ClassC) |
| 2025-10-23 | 52.77.92.225 (ClassC) |
| 2025-10-27 | 54.251.169.204 (ClassC) |
| 2026-02-14 | 54.251.107.38 (ClassC) |
| Date | Domain | IP |
| public.api.gov.sg | 2025-03-19 | 52.220.115.41 |
| public-stg.api.gov.sg | 2025-03-20 | 13.228.136.45 |
| sandbox-stg.api.gov.sg | 2025-03-20 | 18.139.159.30 |
| public-dev.api.gov.sg | 2025-03-20 | 54.169.0.155 |
| sandbox-dev.api.gov.sg | 2025-03-20 | 13.228.106.74 |
| sandbox.api.gov.sg | 2025-03-20 | 52.74.121.200 |