| Date | IP Address |
| 2016-07-19 | 54.241.240.225 (ClassC) |
| 2017-02-23 | 54.83.28.185 (ClassC) |
| 2026-02-02 | 76.223.54.146 (ClassC) |
| Date | Domain | IP |
| cdn-2.routingnumbers.org | 2015-02-23 | 104.28.8.74 |
| cdn-7.routingnumbers.org | 2015-02-06 | 104.28.8.74 |
| cdn.routingnumbers.org | 2015-01-24 | 104.28.8.74 |
| www.routingnumbers.org | 2015-01-14 | 104.28.8.74 |