| Date | IP Address |
| 2025-03-19 | 52.76.251.160 (ClassC) |
| 2025-04-15 | 13.213.164.223 (ClassC) |
| 2025-05-02 | 18.142.92.114 (ClassC) |
| 2025-05-10 | 18.140.4.136 (ClassC) |
| 2025-06-03 | 52.74.212.26 (ClassC) |
| 2025-08-25 | 18.138.200.192 (ClassC) |
| 2025-09-01 | 3.0.34.112 (ClassC) |
| 2025-09-10 | 18.136.71.20 (ClassC) |
| 2025-12-08 | 13.229.186.138 (ClassC) |
| 2025-12-23 | 18.143.45.218 (ClassC) |
| 2026-03-02 | 47.131.5.122 (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 |