| Date | IP Address |
| 2024-07-30 | 18.161.6.55 (ClassC) |
| 2024-10-06 | 18.65.229.35 (ClassC) |
| 2024-11-24 | 99.84.66.90 (ClassC) |
| 2025-05-21 | 3.163.165.75 (ClassC) |
| 2025-06-30 | 204.246.191.15 (ClassC) |
| 2025-08-10 | 13.249.91.89 (ClassC) |
| 2026-01-26 | 3.163.24.127 (ClassC) |
| Date | Domain | IP |
| egazette.isomer.gov.sg | 2025-05-15 | 104.26.11.33 |
| uat.storage.egazette.isomer.gov.sg | 2025-03-20 | 18.161.6.126 |
| egazette-staging.isomer.gov.sg | 2025-03-21 | 104.26.10.33 |
| cms-api.isomer.gov.sg | 2025-04-06 | 104.26.11.33 |
| staging-cms-api.isomer.gov.sg | 2025-06-27 | 172.67.73.34 |
| prod-support-api.isomer.gov.sg | 2025-07-09 | 104.26.11.33 |
| stg-support-api.isomer.gov.sg | 2025-07-19 | 104.26.11.33 |
| marisstellahigh-moe-edu-sg.hostedon.isomer.gov.sg | 2025-11-20 | 3.169.173.114 |
| csa-gov-sg.hostedon.isomer.gov.sg | 2025-07-16 | 18.161.6.114 |
| assb-gov-sg.hostedon.isomer.gov.sg | 2026-01-04 | 3.169.173.66 |
| www.ohno.isomer.gov.sg | 2025-03-20 | 18.136.36.203 |
| forms.isomer.gov.sg | 2025-03-20 | 104.26.11.33 |
| cheatsheet.isomer.gov.sg | 2024-10-13 | 18.65.229.114 |
| a-test.isomer.gov.sg | 2025-03-19 | 99.86.38.46 |
| next-test.isomer.gov.sg | 2025-03-19 | 18.161.6.104 |
| www.isomer.gov.sg | 2024-07-30 | 18.161.6.55 |