| Date | IP Address |
| 2021-02-23 | 99.84.160.100 (ClassC) |
| 2021-02-23 | 99.84.160.7 (ClassC) |
| 2021-03-31 | 52.84.23.86 (ClassC) |
| 2021-11-09 | 13.249.137.29 (ClassC) |
| 2021-11-09 | 13.249.137.99 (ClassC) |
| 2024-02-15 | 99.84.238.194 (ClassC) |
| 2024-08-30 | 99.84.66.4 (ClassC) |
| 2024-10-02 | 18.161.6.35 (ClassC) |
| 2025-02-01 | 99.84.66.100 (ClassC) |
| 2025-08-06 | 99.84.66.72 (ClassC) |
| 2025-10-09 | 3.169.173.125 (ClassC) |
| 2026-01-05 | 3.169.173.68 (ClassC) |
| Date | Domain | IP |
| api-lb.uat.cdwebportal-uat.gov.sg | 2025-03-21 | 54.254.100.173 |
| api.uat.cdwebportal-uat.gov.sg | 2024-07-28 | 204.246.191.19 |
| api.sit.cdwebportal-uat.gov.sg | 2024-02-15 | 99.84.238.194 |
| dev.cdwebportal-uat.gov.sg | 2025-03-19 | 99.84.66.32 |
| api.dev.cdwebportal-uat.gov.sg | 2025-01-07 | 3.163.158.34 |