| Date | IP Address |
| 2025-05-12 | 18.245.96.75 (ClassC) |
| 2025-11-20 | 3.169.173.114 (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 | 2025-03-26 | 172.67.73.34 |
| stg-support-api.isomer.gov.sg | 2025-03-20 | 104.26.10.33 |
| marisstellahigh-moe-edu-sg.hostedon.isomer.gov.sg | 2025-11-20 | 3.169.173.114 |
| csa-gov-sg.hostedon.isomer.gov.sg | 2025-04-18 | 18.161.6.11 |
| 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 |