| Date | IP Address |
| 2025-11-19 | 199.181.81.115 (ClassC) |
| Date | Domain | IP |
| cdn001-media.castingworkbook.com | 2024-06-01 | 99.84.66.47 |
| aide.castingworkbook.com | 2024-12-25 | 52.1.171.155 |
| soporte.castingworkbook.com | 2025-10-19 | 18.210.189.28 |
| smtp.castingworkbook.com | 2025-10-20 | 173.194.79.26 |
| www.castingworkbook.com | 2025-11-19 | 199.181.81.115 |
| academy.castingworkbook.com | 2025-11-02 | 172.64.152.97 |