| Date | IP Address |
| 2015-02-06 | 104.28.8.74 (ClassC) |
| 2015-03-17 | 104.28.9.74 (ClassC) |
| 2025-08-21 | 13.248.169.48 (ClassC) |
| 2026-02-24 | 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 |