| Date | IP Address |
| 2019-10-14 | 91.234.46.220 (ClassC) |
| 2026-01-09 | 91.234.46.204 (ClassC) |
| Date | Domain | IP |
| barracuda.cdk.hr | 2025-11-22 | 91.234.46.204 |
| cdk-world.cdk.hr | 2025-04-21 | 91.234.46.204 |
| cdkworld.cdk.hr | 2025-06-07 | 91.234.46.204 |
| cdk-online.cdk.hr | 2025-04-25 | 91.234.46.204 |
| comune.cdk.hr | 2025-10-24 | 91.234.46.204 |
| auth.cdk.hr | 2025-10-22 | 91.234.46.204 |
| cpanel.cdk.hr | 2026-01-04 | 91.234.46.204 |
| antispam.cdk.hr | 2025-10-23 | 91.234.46.204 |
| correo.cdk.hr | 2025-10-24 | 91.234.46.204 |
| cp.cdk.hr | 2025-10-24 | 91.234.46.204 |
| authsmtp.cdk.hr | 2025-11-23 | 91.234.46.204 |
| autodiscover.cdk.hr | 2025-05-18 | 91.234.46.204 |
| cpcalendars.cdk.hr | 2025-06-10 | 91.234.46.204 |
| cpcontacts.cdk.hr | 2025-04-29 | 91.234.46.204 |
| a.mx.cdk.hr | 2025-10-24 | 91.234.46.204 |
| box.cdk.hr | 2025-10-22 | 91.234.46.204 |