| Date | IP Address |
| 2025-01-03 | 104.21.112.1 (ClassC) |
| 2025-01-22 | 104.21.48.1 (ClassC) |
| 2025-03-07 | 104.21.64.1 (ClassC) |
| 2025-06-09 | 104.21.16.1 (ClassC) |
| 2025-09-05 | 104.21.32.1 (ClassC) |
| 2025-09-29 | 104.21.57.125 (ClassC) |
| 2026-02-09 | 172.67.163.224 (ClassC) |
| Date | Domain | IP |
| admin.catch-up.io | 2019-10-29 | 52.18.95.21 |
| www.catch-up.io | 2025-03-07 | 104.21.96.1 |