| Date | IP Address |
| 2015-11-06 | 104.25.210.13 (ClassC) |
| 2018-07-25 | 52.31.179.202 (ClassC) |
| 2018-08-27 | 52.215.122.39 (ClassC) |
| 2018-11-04 | 52.213.219.94 (ClassC) |
| 2018-11-28 | 34.252.84.12 (ClassC) |
| 2018-12-04 | 34.252.16.80 (ClassC) |
| 2019-05-17 | 34.255.235.56 (ClassC) |
| 2019-10-17 | 34.251.2.189 (ClassC) |
| 2022-07-15 | 108.157.150.66 (ClassC) |
| 2023-09-14 | 108.139.47.120 (ClassC) |
| 2024-07-01 | 99.84.66.70 (ClassC) |
| 2024-08-22 | 18.161.6.28 (ClassC) |
| 2024-10-08 | 99.86.38.103 (ClassC) |
| 2025-01-21 | 204.246.191.45 (ClassC) |
| 2025-08-06 | 204.246.191.35 (ClassC) |
| 2026-01-17 | 3.169.173.128 (ClassC) |
| Date | Domain | IP |
| subscricao.leitor.expresso.pt | 2025-12-19 | 3.169.173.57 |
| app.leitor.expresso.pt | 2024-07-04 | 18.161.6.56 |