| Date | IP Address |
| 2023-11-01 | 204.246.191.38 (ClassC) |
| 2024-03-26 | 204.246.191.44 (ClassC) |
| 2024-09-21 | 18.161.6.69 (ClassC) |
| 2025-01-12 | 18.155.145.3 (ClassC) |
| 2025-03-19 | 18.161.6.71 (ClassC) |
| 2025-03-25 | 18.160.102.85 (ClassC) |
| 2025-04-03 | 18.161.6.55 (ClassC) |
| 2025-06-15 | 18.65.229.56 (ClassC) |
| 2025-11-30 | 3.175.34.114 (ClassC) |
| 2026-01-16 | 3.175.34.20 (ClassC) |
| Date | Domain | IP |
| one.ecda.gov.sg | 2025-05-29 | 199.184.145.225 |
| gccuat-inter.one.ecda.gov.sg | 2025-03-20 | 52.74.83.216 |
| cms.ecda.gov.sg | 2025-07-31 | 199.184.145.6 |
| www.cms.ecda.gov.sg | 2025-08-08 | 199.184.145.6 |
| www.ecda.gov.sg | 2023-11-01 | 204.246.191.38 |