| Date | IP Address |
| 2015-02-18 | 54.221.234.87 (ClassC) |
| 2015-03-03 | 54.243.122.132 (ClassC) |
| 2015-03-10 | 54.225.175.94 (ClassC) |
| 2015-03-17 | 107.20.190.140 (ClassC) |
| 2016-08-25 | 50.17.238.188 (ClassC) |
| 2025-06-27 | 151.101.123.7 (ClassC) |
| 2026-03-05 | 151.101.43.7 (ClassC) |
| Date | Domain | IP |
| cfp.rubycentral.org | 2024-09-04 | 54.237.133.81 |