| Date | IP Address |
| 2015-03-25 | 184.73.183.101 (ClassC) |
| 2015-04-07 | 50.16.207.146 (ClassC) |
| 2024-01-11 | 54.162.128.250 (ClassC) |
| 2024-04-01 | 18.205.36.100 (ClassC) |
| 2024-07-17 | 52.204.242.176 (ClassC) |
| 2025-09-22 | 13.248.132.87 (ClassC) |
| 2026-02-20 | 35.71.145.101 (ClassC) |
| Date | Domain | IP |
| alameda.budgetchallenge.org | 2024-08-14 | 18.205.36.100 |
| peoria.budgetchallenge.org | 2024-04-05 | 52.204.242.176 |
| la.budgetchallenge.org | 2024-07-21 | 3.209.172.72 |
| longbeach.budgetchallenge.org | 2024-08-07 | 52.204.242.176 |
| federal.budgetchallenge.org | 2025-12-02 | 216.92.119.103 |
| www.budgetchallenge.org | 2015-04-07 | 50.16.207.146 |