| Date | IP Address |
| 2023-08-27 | 192.193.15.178 (ClassC) |
| 2025-07-08 | 104.94.222.171 (ClassC) |
| 2026-02-02 | 104.96.178.165 (ClassC) |
| Date | Domain | IP |
| globalcommonbuild.uat1.citibank.com.vn | 2023-08-25 | 104.90.243.109 |
| www1.citibank.com.vn | 2024-04-05 | 92.123.203.120 |
| uat2.msa.citibank.com.vn | 2024-12-06 | 92.123.203.91 |
| uat.msa.citibank.com.vn | 2024-11-26 | 92.123.203.128 |
| mobile.citibank.com.vn | 2023-08-25 | 104.92.250.6 |
| image.notifications.citibank.com.vn | 2023-08-25 | 23.195.237.25 |
| image.uat.notifications.citibank.com.vn | 2024-09-26 | 23.195.237.25 |
| globalcommon.uat.citibank.com.vn | 2024-04-09 | 104.90.243.109 |
| www.citibank.com.vn | 2023-11-02 | 104.112.186.36 |