| Date | IP Address |
| 2020-08-18 | 13.249.12.93 (ClassC) |
| 2020-08-23 | 99.84.42.110 (ClassC) |
| 2020-08-23 | 99.84.42.14 (ClassC) |
| 2020-08-23 | 99.84.42.59 (ClassC) |
| 2020-08-23 | 99.84.42.97 (ClassC) |
| 2020-08-29 | 13.226.52.19 (ClassC) |
| 2020-10-04 | 99.86.81.81 (ClassC) |
| 2020-10-04 | 99.86.81.106 (ClassC) |
| 2020-10-04 | 99.86.81.60 (ClassC) |
| 2020-10-20 | 13.226.49.10 (ClassC) |
| 2020-10-20 | 13.226.49.128 (ClassC) |
| 2020-10-20 | 13.226.49.7 (ClassC) |
| 2021-02-08 | 54.230.137.21 (ClassC) |
| 2023-07-23 | 99.84.66.31 (ClassC) |
| 2024-07-01 | 99.84.66.35 (ClassC) |
| 2025-09-27 | 99.84.66.103 (ClassC) |
| 2026-01-07 | 3.163.24.90 (ClassC) |
| 2026-02-11 | 3.163.24.102 (ClassC) |
| 2026-02-23 | 3.163.24.30 (ClassC) |
| Date | Domain | IP |
| spam.kauffmanscholars.org | 2024-11-22 | 99.84.66.31 |