| Date | IP Address |
| 2023-08-25 | 104.86.242.227 (ClassC) |
| 2023-10-13 | 96.7.159.244 (ClassC) |
| 2024-01-27 | 23.37.211.137 (ClassC) |
| 2024-05-15 | 104.119.86.80 (ClassC) |
| 2024-05-26 | 2.19.130.147 (ClassC) |
| 2024-06-09 | 23.6.179.207 (ClassC) |
| 2024-07-05 | 184.24.34.195 (ClassC) |
| 2024-07-22 | 23.38.232.190 (ClassC) |
| 2024-08-09 | 23.205.202.182 (ClassC) |
| 2024-09-02 | 23.196.116.123 (ClassC) |
| 2024-09-10 | 23.213.146.137 (ClassC) |
| 2024-09-22 | 23.196.152.68 (ClassC) |
| 2024-10-13 | 23.199.232.199 (ClassC) |
| 2024-10-23 | 23.41.4.87 (ClassC) |
| 2024-11-07 | 23.41.4.82 (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 |