| Date | IP Address |
| 2017-11-11 | 54.201.163.90 (ClassC) |
| 2025-02-27 | 35.163.67.240 (ClassC) |
| 2025-03-05 | 44.230.242.179 (ClassC) |
| 2025-05-09 | 54.68.178.174 (ClassC) |
| 2025-08-27 | 44.239.197.209 (ClassC) |
| 2025-12-30 | 52.89.188.79 (ClassC) |
| 2026-01-17 | 54.213.226.27 (ClassC) |
| Date | Domain | IP |
| ometria.sparkpostelite.com | 2024-10-05 | 54.72.67.219 |
| track-kayak.sparkpostelite.com | 2024-02-17 | 54.68.235.166 |
| track.wcare-m.sparkpostelite.com | 2024-08-05 | 52.26.235.231 |
| unear.sparkpostelite.com | 2025-09-12 | 34.215.253.222 |
| track.unear.sparkpostelite.com | 2025-02-16 | 34.208.73.37 |
| clipper.sparkpostelite.com | 2025-02-27 | 35.163.67.240 |
| track-ft.sparkpostelite.com | 2024-02-22 | 50.112.25.228 |
| workday.sparkpostelite.com | 2024-08-20 | 54.186.13.76 |
| track.surveymonkey.sparkpostelite.com | 2024-10-05 | 44.237.29.128 |