| Date | IP Address |
| 2015-01-16 | 69.89.31.84 (ClassC) |
| 2018-11-19 | 45.60.22.197 (ClassC) |
| 2019-12-12 | 162.241.129.164 (ClassC) |
| 2022-10-27 | 104.21.91.66 (ClassC) |
| 2022-10-27 | 172.67.211.87 (ClassC) |
| 2023-05-24 | 104.26.2.16 (ClassC) |
| 2023-05-24 | 104.26.3.16 (ClassC) |
| 2023-05-24 | 172.67.75.40 (ClassC) |
| 2025-08-27 | 104.26.3.196 (ClassC) |
| 2025-09-22 | 172.67.75.29 (ClassC) |
| 2025-11-12 | 104.26.2.196 (ClassC) |
| Date | Domain | IP |
| www.spectrum-engineers.com | 2015-01-16 | 69.89.31.84 |