| Date | IP Address |
| 2025-01-22 | 3.162.112.66 (ClassC) |
| 2025-02-01 | 13.32.121.77 (ClassC) |
| 2025-10-03 | 3.160.5.83 (ClassC) |
| 2025-10-03 | 3.160.5.17 (ClassC) |
| 2025-10-24 | 3.163.158.82 (ClassC) |
| 2025-12-27 | 18.161.6.15 (ClassC) |
| 2026-03-02 | 18.161.6.72 (ClassC) |
| Date | Domain | IP |
| isomer-user-content-uat.by.gov.sg | 2025-12-27 | 18.161.6.25 |
| isomer-user-content.by.gov.sg | 2025-12-27 | 18.161.6.15 |