| Date | IP Address |
| 2014-11-05 | 68.168.248.175 (ClassC) |
| 2021-04-26 | 52.217.131.141 (ClassC) |
| 2024-03-09 | 52.216.39.13 (ClassC) |
| 2024-10-08 | 52.216.94.210 (ClassC) |
| 2025-03-20 | 3.5.9.204 (ClassC) |
| 2025-07-26 | 54.231.225.245 (ClassC) |
| 2025-08-18 | 16.15.232.203 (ClassC) |
| 2025-08-26 | 16.15.216.126 (ClassC) |
| 2025-09-11 | 52.217.133.181 (ClassC) |
| 2025-09-28 | 16.15.202.183 (ClassC) |
| 2026-02-18 | 3.163.24.74 (ClassC) |
| Date | Domain | IP |
| beta.papercalculator.org | 2019-11-18 | 13.226.15.38 |
| api.papercalculator.org | 2024-03-11 | 99.84.66.113 |
| www.papercalculator.org | 2024-12-06 | 204.246.191.123 |