| Date | IP Address |
| 2022-03-11 | 34.246.60.35 (ClassC) |
| 2024-08-20 | 54.154.71.83 (ClassC) |
| 2025-07-05 | 54.73.154.200 (ClassC) |
| 2025-09-28 | 52.30.14.27 (ClassC) |
| 2025-12-24 | 52.30.215.28 (ClassC) |
| Date | Domain | IP |
| reader-eu-west-1.izettlepaytest.com | 2024-08-20 | 54.154.71.83 |
| clearing-eu-west-1.stage.izettlepaytest.com | 2024-08-20 | 54.154.71.83 |
| reader-eu-west-1.stage.izettlepaytest.com | 2025-09-25 | 52.30.14.27 |
| fiserv-ttp.reader-certification.stage.izettlepaytest.com | 2025-10-10 | 63.33.182.126 |
| reader-eu-west-1-backup.izettlepaytest.com | 2025-10-24 | 54.170.187.14 |