| Date | IP Address |
| 2021-09-18 | 52.201.136.122 (ClassC) |
| 2021-11-17 | 54.227.217.228 (ClassC) |
| 2022-03-06 | 52.20.109.8 (ClassC) |
| 2026-01-17 | 172.66.0.145 (ClassC) |
| Date | Domain | IP |
| api.zostel.com | 2025-06-01 | 3.6.12.214 |
| feedback.zostel.com | 2025-12-28 | 35.154.156.55 |
| cdn.zostel.com | 2024-09-06 | 18.155.192.95 |
| support.zostel.com | 2026-01-17 | 172.66.0.145 |
| www.zostel.com | 2025-05-08 | 35.154.156.55 |