| Date | IP Address |
| 2024-04-04 | 104.21.61.158 (ClassC) |
| 2025-01-23 | 104.21.64.1 (ClassC) |
| 2025-03-07 | 104.21.112.1 (ClassC) |
| 2025-06-09 | 104.21.48.1 (ClassC) |
| 2025-11-21 | 104.21.40.251 (ClassC) |
| Date | Domain | IP |
| capig.readabilitytutor.com | 2025-01-23 | 104.21.64.1 |
| jet.readabilitytutor.com | 2024-11-06 | 3.64.90.25 |