| Date | IP Address |
| 2021-05-28 | 34.226.165.133 (ClassC) |
| 2024-06-29 | 172.67.69.113 (ClassC) |
| 2025-01-21 | 104.26.8.37 (ClassC) |
| 2025-04-28 | 104.26.9.37 (ClassC) |
| 2025-12-02 | 216.24.57.1 (ClassC) |
| Date | Domain | IP |
| 4446020.fls.readwise.io | 2024-08-12 | 104.26.8.37 |
| 4232941.fls.readwise.io | 2025-02-24 | 172.67.69.113 |
| 3778261.fls.readwise.io | 2024-03-10 | 104.26.9.37 |
| 3598432.fls.readwise.io | 2025-12-01 | 216.24.57.1 |
| 1714193.fls.readwise.io | 2024-09-10 | 172.67.69.113 |
| 1793284.fls.readwise.io | 2024-02-27 | 104.26.8.37 |
| 2589195.fls.readwise.io | 2025-04-19 | 104.26.9.37 |
| 6929806.fls.readwise.io | 2024-06-29 | 172.67.69.113 |
| 4440818.fls.readwise.io | 2024-09-23 | 104.26.8.37 |