| Date | IP Address |
| 2023-08-25 | 104.108.82.138 (ClassC) |
| 2024-07-20 | 104.98.102.105 (ClassC) |
| 2024-11-19 | 23.50.50.9 (ClassC) |
| Date | Domain | IP |
| www2.pay.gov | 2024-04-13 | 199.169.194.21 |
| qa.pay.gov | 2023-08-25 | 104.86.242.227 |
| www.qa.pay.gov | 2023-08-25 | 104.86.242.227 |
| spoofgate.pay.gov | 2023-08-25 | 104.108.82.138 |
| www.pay.gov | 2023-08-25 | 104.86.242.227 |