| Date | IP Address |
| 2018-05-20 | 104.25.6.24 (ClassC) |
| 2018-05-20 | 104.25.7.24 (ClassC) |
| 2024-11-03 | 54.156.168.2 (ClassC) |
| 2026-01-16 | 54.85.91.97 (ClassC) |
| Date | Domain | IP |
| archive.ncfr.org | 2025-05-09 | 104.24.5.18 |
| learning.ncfr.org | 2024-11-03 | 54.156.168.2 |
| jftrblog.ncfr.org | 2025-07-21 | 104.24.4.18 |
| afsblog.ncfr.org | 2025-12-31 | 104.24.5.18 |
| oh.ncfr.org | 2024-02-14 | 172.67.96.158 |
| wi.ncfr.org | 2024-02-14 | 104.24.41.3 |
| ok.ncfr.org | 2024-03-15 | 172.67.96.158 |
| il.ncfr.org | 2024-03-15 | 172.67.96.158 |
| mn.ncfr.org | 2024-03-15 | 104.24.41.3 |
| southeastern.ncfr.org | 2024-08-07 | 104.24.4.18 |
| app.ncfr.org | 2024-08-06 | 167.99.190.14 |
| images.ncfr.org | 2025-09-11 | 104.24.5.18 |
| journalaccess.ncfr.org | 2024-12-27 | 167.99.190.14 |
| northwest.ncfr.org | 2025-05-11 | 104.24.4.18 |
| www.ncfr.org | 2024-02-14 | 104.24.41.3 |
| tx.ncfr.org | 2025-12-31 | 23.236.62.147 |
| www.my.ncfr.org | 2025-05-21 | 104.24.5.18 |
| history.ncfr.org | 2025-12-20 | 104.24.5.18 |