| Date | IP Address |
| 2019-09-26 | 13.227.45.27 (ClassC) |
| 2020-06-23 | 99.84.252.44 (ClassC) |
| 2020-06-23 | 99.84.252.90 (ClassC) |
| 2020-06-24 | 52.84.122.95 (ClassC) |
| 2020-06-24 | 52.84.122.122 (ClassC) |
| 2020-06-24 | 52.84.122.29 (ClassC) |
| 2020-06-24 | 52.84.122.39 (ClassC) |
| 2021-05-25 | 13.225.230.27 (ClassC) |
| 2021-05-25 | 13.225.230.57 (ClassC) |
| 2024-08-08 | 18.161.6.43 (ClassC) |
| 2024-12-13 | 18.161.6.103 (ClassC) |
| 2025-05-11 | 18.161.6.3 (ClassC) |
| 2025-08-25 | 3.170.91.3 (ClassC) |
| 2025-08-27 | 18.161.6.35 (ClassC) |
| 2025-09-12 | 13.225.143.46 (ClassC) |
| 2025-09-13 | 3.169.173.17 (ClassC) |
| 2026-01-20 | 3.169.173.99 (ClassC) |
| Date | Domain | IP |
| cqa.biztech.avalara.net | 2024-08-08 | 18.161.6.43 |
| fqa.biztech.avalara.net | 2024-04-17 | 18.161.6.80 |
| stanlee.registrations-pen.avalara.net | 2024-11-25 | 44.224.2.51 |
| communications.avalara.net | 2025-10-14 | 52.40.24.204 |
| returns-console.returns.avalara.net | 2025-11-18 | 44.245.28.88 |
| stanlee.registrations-uat.avalara.net | 2024-11-25 | 34.248.56.116 |
| release.vat.avalara.net | 2024-08-27 | 18.161.6.14 |
| apis-qa.cloudconnect.avalara.net | 2025-10-13 | 50.112.200.138 |
| admin-development.avalara.net | 2024-09-10 | 54.185.202.198 |
| simpregserver.registrations-eu.avalara.net | 2025-05-05 | 34.253.118.123 |
| www.avalara.net | 2025-09-08 | 173.225.24.8 |
| avatax.avalara.net | 2025-09-03 | 35.81.50.204 |
| identity-sbx.avalara.net | 2024-11-25 | 54.245.159.51 |
| uw-identity-sbx.avalara.net | 2024-11-25 | 44.239.5.48 |
| identity.avalara.net | 2024-11-25 | 52.34.66.199 |