| Date | IP Address |
| 2020-03-13 | 23.35.150.40 (ClassC) |
| 2020-03-19 | 184.31.1.144 (ClassC) |
| 2020-04-14 | 72.247.190.96 (ClassC) |
| 2020-04-20 | 23.43.60.225 (ClassC) |
| 2020-05-17 | 184.25.157.217 (ClassC) |
| 2020-05-19 | 23.220.148.190 (ClassC) |
| 2020-05-22 | 184.28.17.95 (ClassC) |
| 2020-06-22 | 96.6.42.224 (ClassC) |
| 2020-07-08 | 23.199.49.145 (ClassC) |
| 2020-08-19 | 184.25.225.24 (ClassC) |
| 2020-08-22 | 23.34.240.211 (ClassC) |
| 2020-09-20 | 23.34.240.147 (ClassC) |
| 2020-12-01 | 23.222.12.122 (ClassC) |
| 2020-12-09 | 23.222.79.242 (ClassC) |
| 2021-02-15 | 23.12.147.6 (ClassC) |
| 2021-04-30 | 23.201.103.248 (ClassC) |
| 2021-05-02 | 23.48.254.19 (ClassC) |
| 2021-05-08 | 23.15.5.161 (ClassC) |
| 2021-05-10 | 104.125.2.144 (ClassC) |
| 2021-05-20 | 104.125.2.138 (ClassC) |
| 2021-07-24 | 104.123.70.16 (ClassC) |
| 2022-08-21 | 184.28.29.196 (ClassC) |
| 2023-08-26 | 23.192.230.148 (ClassC) |
| 2023-10-26 | 23.206.121.204 (ClassC) |
| 2025-07-30 | 2.22.54.136 (ClassC) |
| 2025-08-21 | 2.22.54.202 (ClassC) |
| 2026-02-01 | 169.55.63.247 (ClassC) |
| Date | Domain | IP |
| mail.sierraclassics.com | 2025-09-26 | 87.239.8.61 |