| Date | IP Address |
| 2014-03-01 | 212.58.3.45 (ClassC) |
| 2025-05-22 | 77.245.159.17 (ClassC) |
| 2026-02-05 | 213.155.116.167 (ClassC) |
| Date | Domain | IP |
| lyncweb.sys.com.tr | 2025-05-10 | 213.74.177.44 |
| webmail.sys.com.tr | 2025-05-15 | 185.193.4.148 |
| dialin.sys.com.tr | 2025-07-03 | 213.74.177.44 |
| lswap.sys.com.tr | 2025-06-29 | 213.74.177.44 |
| meet.sys.com.tr | 2025-05-13 | 213.74.117.44 |