| Date | IP Address |
| 2022-02-01 | 135.148.122.135 (ClassC) |
| 2022-02-01 | 51.81.66.145 (ClassC) |
| 2025-01-22 | 3.120.167.166 (ClassC) |
| 2026-01-14 | 92.205.31.122 (ClassC) |
| Date | Domain | IP |
| extprolync.protel.com.tr | 2026-01-08 | 176.41.134.36 |
| webcdn.protel.com.tr | 2024-10-13 | 135.148.55.194 |
| dialin.protel.com.tr | 2024-11-13 | 85.111.53.119 |
| lyncdiscover.protel.com.tr | 2024-11-12 | 85.111.53.119 |
| elevator.protel.com.tr | 2025-01-22 | 3.120.167.166 |
| meet.protel.com.tr | 2024-11-10 | 85.111.53.119 |
| www.protel.com.tr | 2025-01-22 | 3.120.167.166 |