| Date | IP Address |
| 2025-04-05 | 52.54.186.157 (ClassC) |
| 2025-04-13 | 3.218.62.150 (ClassC) |
| 2025-04-24 | 3.232.61.223 (ClassC) |
| 2025-04-28 | 54.174.24.147 (ClassC) |
| 2025-07-05 | 3.208.251.43 (ClassC) |
| 2025-07-13 | 3.220.166.154 (ClassC) |
| 2025-07-21 | 54.243.195.195 (ClassC) |
| 2025-09-01 | 52.203.40.247 (ClassC) |
| 2025-09-12 | 52.200.19.38 (ClassC) |
| 2025-11-16 | 44.199.10.99 (ClassC) |
| Date | Domain | IP |
| 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 |