| Date | IP Address |
| 2024-03-21 | 18.138.99.168 (ClassC) |
| 2024-03-21 | 52.76.248.103 (ClassC) |
| 2024-07-26 | 13.214.6.106 (ClassC) |
| 2024-07-26 | 54.169.230.49 (ClassC) |
| 2025-03-19 | 18.139.118.130 (ClassC) |
| 2025-06-03 | 13.228.65.58 (ClassC) |
| 2025-08-28 | 54.255.220.210 (ClassC) |
| 2025-09-01 | 18.140.202.132 (ClassC) |
| 2025-12-08 | 13.251.222.58 (ClassC) |
| 2025-12-23 | 52.77.100.112 (ClassC) |
| 2026-01-10 | 175.41.158.10 (ClassC) |
| 2026-01-25 | 52.220.38.182 (ClassC) |
| Date | Domain | IP |
| staging.rooster.gov.sg | 2025-03-19 | 18.139.118.130 |
| integration.rooster.gov.sg | 2025-03-21 | 172.67.75.3 |
| staging-integration.rooster.gov.sg | 2025-09-01 | 104.26.2.120 |
| uat-integration.rooster.gov.sg | 2025-03-21 | 172.67.75.3 |
| uat.rooster.gov.sg | 2025-03-19 | 52.76.251.160 |