| Date | IP Address |
| 2017-10-19 | 54.192.2.21 (ClassC) |
| 2018-05-22 | 54.192.146.57 (ClassC) |
| 2018-08-19 | 54.192.7.83 (ClassC) |
| 2018-08-19 | 54.192.7.143 (ClassC) |
| 2018-08-19 | 54.192.7.207 (ClassC) |
| 2018-10-16 | 143.204.29.16 (ClassC) |
| 2019-03-23 | 52.85.255.123 (ClassC) |
| 2019-03-30 | 52.84.126.187 (ClassC) |
| 2019-03-30 | 52.84.126.47 (ClassC) |
| 2019-05-04 | 143.204.101.3 (ClassC) |
| 2020-07-12 | 13.249.85.24 (ClassC) |
| 2020-09-02 | 13.33.163.24 (ClassC) |
| 2020-11-03 | 65.8.246.9 (ClassC) |
| 2021-03-08 | 65.9.96.55 (ClassC) |
| 2021-04-30 | 13.224.106.48 (ClassC) |
| 2024-06-24 | 3.163.24.17 (ClassC) |
| 2024-07-18 | 3.163.24.43 (ClassC) |
| 2024-08-10 | 3.163.24.39 (ClassC) |
| 2024-08-16 | 3.163.158.13 (ClassC) |
| 2024-10-28 | 3.163.158.98 (ClassC) |
| 2024-11-17 | 3.163.24.44 (ClassC) |
| Date | Domain | IP |
| mailrelay.wintersense.com | 2024-02-18 | 3.163.24.43 |