| Date | IP Address |
| 2016-06-01 | 52.33.141.232 (ClassC) |
| 2024-03-27 | 35.83.204.42 (ClassC) |
| 2024-05-22 | 52.41.177.213 (ClassC) |
| 2024-06-23 | 34.218.118.183 (ClassC) |
| 2024-07-29 | 35.165.180.210 (ClassC) |
| 2024-08-28 | 44.230.232.139 (ClassC) |
| 2024-09-09 | 54.201.233.64 (ClassC) |
| 2024-09-27 | 52.35.202.124 (ClassC) |
| 2024-10-28 | 52.89.112.89 (ClassC) |
| 2025-02-08 | 54.148.49.191 (ClassC) |
| 2025-03-15 | 52.24.158.123 (ClassC) |
| 2025-04-25 | 52.11.237.247 (ClassC) |
| Date | Domain | IP |
| mail.umu.com | 2025-01-19 | 35.164.228.151 |
| pin.umu.com | 2025-04-05 | 52.42.82.80 |
| www.umu.com | 2024-03-27 | 35.83.204.42 |