| Date | IP Address |
| 2025-02-02 | 65.108.76.139 (ClassC) |
| Date | Domain | IP |
| webdisk.nkc-sisak.hr | 2024-12-18 | 65.108.76.139 |
| cpanel.nkc-sisak.hr | 2024-09-11 | 65.108.76.139 |
| mail.nkc-sisak.hr | 2024-11-02 | 65.108.76.139 |
| webmail.nkc-sisak.hr | 2025-01-23 | 65.108.76.139 |
| autodiscover.nkc-sisak.hr | 2024-09-11 | 65.108.76.139 |
| cpcalendars.nkc-sisak.hr | 2024-09-11 | 65.108.76.139 |
| cpcontacts.nkc-sisak.hr | 2025-01-23 | 65.108.76.139 |
| www.nkc-sisak.hr | 2024-09-10 | 65.108.76.139 |