| Date | IP Address |
| 2014-06-18 | 91.98.99.170 (ClassC) |
| 2024-10-18 | 77.104.79.20 (ClassC) |
| 2025-01-07 | 188.213.75.32 (ClassC) |
| Date | Domain | IP |
| register.tax.gov.ir | 2024-10-20 | 77.104.79.20 |
| www.tax.gov.ir | 2024-04-21 | 188.213.75.32 |
| my.tax.gov.ir | 2024-10-20 | 77.104.79.20 |