| Date | IP Address |
| 2022-03-23 | 34.246.60.35 (ClassC) |
| 2023-12-15 | 54.75.20.150 (ClassC) |
| 2024-04-15 | 18.202.68.107 (ClassC) |
| 2024-10-03 | 54.74.147.112 (ClassC) |
| 2024-10-20 | 54.73.40.64 (ClassC) |
| 2024-11-05 | 52.30.40.213 (ClassC) |
| 2025-02-18 | 34.248.252.65 (ClassC) |
| 2025-06-22 | 34.249.9.115 (ClassC) |
| 2025-10-24 | 54.170.187.14 (ClassC) |
| 2025-11-20 | 52.208.37.97 (ClassC) |
| 2026-01-24 | 52.213.226.97 (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 |