| Date | IP Address |
| 2019-08-02 | 203.116.77.171 (ClassC) |
| 2019-08-20 | 13.225.78.42 (ClassC) |
| 2020-04-15 | 13.35.112.73 (ClassC) |
| 2021-01-11 | 13.225.25.45 (ClassC) |
| 2021-04-12 | 13.226.38.73 (ClassC) |
| 2023-11-02 | 20.197.104.183 (ClassC) |
| 2025-07-30 | 20.197.80.164 (ClassC) |
| 2026-01-24 | 45.223.56.145 (ClassC) |
| Date | Domain | IP |
| csp2.jtc.gov.sg | 2026-01-17 | 45.223.56.145 |
| cxp-cw2.jtc.gov.sg | 2025-04-26 | 20.197.80.164 |
| apigw-qa.jtc.gov.sg | 2025-10-23 | 45.223.56.145 |
| maintenance.jtc.gov.sg | 2025-03-19 | 20.205.216.42 |
| csp-api.jtc.gov.sg | 2025-11-12 | 40.119.249.206 |
| csp.jtc.gov.sg | 2025-04-28 | 40.119.250.158 |
| cxp-csp.jtc.gov.sg | 2023-08-25 | 20.197.105.55 |
| estates.jtc.gov.sg | 2025-05-12 | 20.197.80.164 |
| jtcapps.jtc.gov.sg | 2025-05-08 | 61.16.107.203 |
| stats.jtc.gov.sg | 2025-06-13 | 61.16.107.205 |
| apigw.jtc.gov.sg | 2025-05-24 | 45.223.56.145 |
| www.jtc.gov.sg | 2023-11-02 | 20.197.104.183 |