| Date | IP Address |
| 2023-08-25 | 104.71.213.88 (ClassC) |
| 2024-02-21 | 104.97.45.127 (ClassC) |
| 2024-12-24 | 23.218.184.186 (ClassC) |
| 2025-08-11 | 184.31.196.188 (ClassC) |
| 2025-09-25 | 184.27.178.203 (ClassC) |
| Date | Domain | IP |
| image.email.citibank.co.id | 2024-12-12 | 23.44.175.172 |
| image.uat.email.citibank.co.id | 2023-08-25 | 104.71.213.88 |