| Date | IP Address |
| 2018-06-09 | 52.4.63.15 (ClassC) |
| 2020-08-21 | 13.226.0.15 (ClassC) |
| 2021-01-08 | 13.225.25.57 (ClassC) |
| 2023-08-29 | 157.230.180.58 (ClassC) |
| 2024-11-25 | 162.159.137.54 (ClassC) |
| 2024-12-24 | 162.159.136.54 (ClassC) |
| Date | Domain | IP |
| app.staging1.userback.io | 2024-06-09 | 3.229.194.163 |
| static.userback.io | 2019-09-20 | 13.224.2.110 |
| api.userback.io | 2023-08-04 | 54.243.217.65 |
| www.userback.io | 2023-08-29 | 157.230.180.58 |