| Date | IP Address |
| 2025-03-24 | 18.142.143.64 (ClassC) |
| 2025-03-29 | 13.215.41.246 (ClassC) |
| 2025-05-08 | 54.254.155.115 (ClassC) |
| 2025-06-13 | 18.139.135.249 (ClassC) |
| 2025-08-03 | 18.138.217.151 (ClassC) |
| 2025-09-05 | 3.0.251.80 (ClassC) |
| 2025-10-12 | 18.142.61.5 (ClassC) |
| Date | Domain | IP |
| search.sso.org.sg | 2025-03-29 | 54.169.234.69 |
| uat-search.sso.org.sg | 2025-03-20 | 18.142.143.64 |
| web-api.sso.org.sg | 2025-03-20 | 54.254.165.116 |
| uat-api.sso.org.sg | 2025-03-24 | 18.142.143.64 |
| cdn.sso.org.sg | 2023-12-17 | 18.161.6.21 |
| ccp.sso.org.sg | 2025-03-20 | 54.254.165.116 |
| uat-ccp.sso.org.sg | 2025-03-19 | 13.215.41.246 |
| web-assets.sso.org.sg | 2025-03-20 | 204.246.191.83 |
| uat-assets.sso.org.sg | 2025-03-20 | 3.163.189.45 |
| uat.sso.org.sg | 2025-03-24 | 18.142.143.64 |
| cloud.connect.sso.org.sg | 2025-10-07 | 128.245.194.52 |
| image.connect.sso.org.sg | 2025-07-31 | 23.192.230.134 |
| click.connect.sso.org.sg | 2025-10-11 | 128.245.210.141 |
| view.connect.sso.org.sg | 2025-10-10 | 128.245.226.80 |
| sst.sso.org.sg | 2025-03-20 | 54.254.165.116 |
| uat-sst.sso.org.sg | 2025-03-21 | 13.215.41.246 |
| preview.uat-sst.sso.org.sg | 2024-03-22 | 13.228.175.78 |
| preview.sst.sso.org.sg | 2025-03-19 | 54.254.165.116 |
| www.sso.org.sg | 2023-11-01 | 54.169.226.169 |