| Date | IP Address |
| 2025-03-20 | 54.169.0.155 (ClassC) |
| 2025-04-30 | 13.214.4.129 (ClassC) |
| 2025-06-26 | 52.220.25.162 (ClassC) |
| 2025-11-08 | 52.220.55.163 (ClassC) |
| 2026-02-14 | 52.220.169.31 (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 |