| Date | IP Address |
| 2024-02-25 | 18.206.143.153 (ClassC) |
| 2024-03-19 | 3.215.236.83 (ClassC) |
| 2024-08-30 | 3.220.253.162 (ClassC) |
| 2024-09-12 | 3.87.234.158 (ClassC) |
| 2024-10-10 | 34.225.59.118 (ClassC) |
| 2024-12-06 | 18.232.221.39 (ClassC) |
| 2024-12-22 | 52.71.186.183 (ClassC) |
| 2025-02-05 | 3.233.142.239 (ClassC) |
| 2025-03-19 | 44.196.54.23 (ClassC) |
| 2025-04-10 | 44.219.203.144 (ClassC) |
| 2025-06-03 | 34.226.4.243 (ClassC) |
| 2025-06-22 | 3.228.46.172 (ClassC) |
| 2025-07-05 | 3.216.19.180 (ClassC) |
| 2025-08-01 | 3.215.95.12 (ClassC) |
| Date | Domain | IP |
| web.exemptions.avalara.com | 2024-10-21 | 34.225.59.118 |
| api.web.exemptions.avalara.com | 2024-10-10 | 34.225.59.118 |
| sbx.web.exemptions.avalara.com | 2024-10-09 | 3.226.5.111 |
| api.sbx.web.exemptions.avalara.com | 2025-04-05 | 52.54.186.157 |
| api.exemptions.avalara.com | 2023-08-15 | 34.231.237.90 |
| sbx.exemptions.avalara.com | 2024-05-14 | 3.163.24.29 |