| Date | IP Address |
| 2014-04-20 | 66.102.141.15 (ClassC) |
| 2019-12-04 | 160.153.63.65 (ClassC) |
| 2020-03-13 | 198.71.233.227 (ClassC) |
| 2020-11-07 | 198.71.233.25 (ClassC) |
| 2021-02-19 | 172.67.196.123 (ClassC) |
| 2021-02-19 | 104.21.36.158 (ClassC) |
| 2021-04-08 | 208.91.197.132 (ClassC) |
| 2025-07-11 | 104.26.3.77 (ClassC) |
| 2025-09-08 | 172.67.73.50 (ClassC) |
| 2025-12-08 | 104.26.2.77 (ClassC) |
| Date | Domain | IP |
| www.stcengines.com | 2014-12-09 | 66.102.141.15 |