| Date | IP Address |
| 2018-03-14 | 50.19.93.49 (ClassC) |
| 2024-09-06 | 172.232.25.148 (ClassC) |
| 2025-07-16 | 69.16.230.165 (ClassC) |
| 2025-10-08 | 172.237.146.38 (ClassC) |
| 2026-01-22 | 172.237.146.8 (ClassC) |
| 2026-02-15 | 172.233.219.123 (ClassC) |
| Date | Domain | IP |
| media.contactup.io | 2024-07-13 | 172.232.4.213 |
| www.contactup.io | 2024-09-06 | 172.232.25.148 |