| Date | IP Address |
| 2019-12-10 | 104.124.1.50 (ClassC) |
| 2019-12-11 | 23.56.169.67 (ClassC) |
| 2020-01-09 | 69.192.7.209 (ClassC) |
| 2020-01-10 | 96.7.75.162 (ClassC) |
| 2020-02-13 | 23.66.114.83 (ClassC) |
| 2020-06-24 | 23.48.209.73 (ClassC) |
| 2020-06-30 | 96.17.111.17 (ClassC) |
| 2020-06-30 | 96.17.111.64 (ClassC) |
| 2020-11-27 | 23.48.210.154 (ClassC) |
| 2021-01-12 | 23.197.192.136 (ClassC) |
| 2021-01-12 | 104.96.200.209 (ClassC) |
| 2023-06-15 | 23.200.133.54 (ClassC) |
| 2023-07-14 | 104.96.163.132 (ClassC) |
| 2024-04-20 | 23.213.34.80 (ClassC) |
| 2024-07-22 | 23.215.11.219 (ClassC) |
| 2024-09-02 | 23.192.230.92 (ClassC) |
| 2025-03-18 | 2.23.84.41 (ClassC) |
| 2025-10-13 | 23.41.4.71 (ClassC) |
| 2025-12-29 | 23.41.4.69 (ClassC) |
| 2026-01-11 | 23.216.147.134 (ClassC) |
| 2026-01-15 | 23.216.147.141 (ClassC) |
| Date | Domain | IP |
| api-eeec9.apis.santander.pt | 2025-10-15 | 23.216.147.203 |
| api-eeic9.apis.santander.pt | 2025-12-07 | 23.216.147.207 |
| api-eeec-sb.apis.santander.pt | 2025-08-27 | 23.216.147.204 |
| api-eeec.apis.santander.pt | 2025-12-12 | 23.216.147.206 |
| api-eeic.apis.santander.pt | 2025-11-03 | 23.216.147.206 |
| mpos.santander.pt | 2025-10-23 | 45.60.203.69 |
| www.santander.pt | 2024-04-20 | 23.213.34.80 |