| Date | IP Address |
| 2015-10-05 | 52.18.242.54 (ClassC) |
| 2016-04-20 | 52.17.232.172 (ClassC) |
| 2017-01-14 | 54.229.44.228 (ClassC) |
| 2019-12-16 | 34.249.3.241 (ClassC) |
| 2024-07-21 | 54.171.31.76 (ClassC) |
| 2024-10-05 | 54.170.11.211 (ClassC) |
| 2025-03-16 | 34.251.210.119 (ClassC) |
| 2025-08-28 | 52.209.89.148 (ClassC) |
| 2026-02-19 | 34.246.154.4 (ClassC) |
| Date | Domain | IP |
| blog.mailup.com | 2026-01-06 | 162.159.134.42 |
| www.blog.mailup.com | 2026-01-25 | 162.159.134.42 |
| static-cdn.mailup.com | 2015-03-25 | 54.192.90.59 |
| login.mailup.com | 2025-04-19 | 18.161.6.38 |
| webinar.mailup.com | 2025-11-13 | 54.73.69.125 |
| es.mailup.com | 2025-09-09 | 93.174.65.83 |
| landings.mailup.com | 2024-07-21 | 54.171.31.76 |
| www.mailup.com | 2025-04-22 | 51.89.75.178 |