| Date | IP Address |
| 2021-04-12 | 52.85.91.69 (ClassC) |
| 2021-05-27 | 54.192.58.86 (ClassC) |
| 2021-05-27 | 54.192.58.6 (ClassC) |
| 2021-09-16 | 65.8.48.100 (ClassC) |
| 2021-12-25 | 13.33.46.87 (ClassC) |
| 2023-12-28 | 18.65.39.12 (ClassC) |
| 2023-12-28 | 18.65.39.44 (ClassC) |
| 2024-01-28 | 3.161.188.77 (ClassC) |
| 2024-09-06 | 18.155.192.95 (ClassC) |
| 2025-03-09 | 99.84.66.120 (ClassC) |
| 2025-03-16 | 99.84.66.102 (ClassC) |
| 2025-08-27 | 99.84.66.63 (ClassC) |
| 2025-10-14 | 3.175.34.56 (ClassC) |
| 2026-01-16 | 3.175.34.122 (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 | 2025-12-28 | 172.66.0.145 |
| www.zostel.com | 2025-05-08 | 35.154.156.55 |