| Date | IP Address |
| 2024-06-24 | 3.220.26.14 (ClassC) |
| 2025-03-04 | 52.20.108.76 (ClassC) |
| 2026-01-17 | 100.28.148.69 (ClassC) |
| 2026-01-27 | 52.0.107.92 (ClassC) |
| 2026-02-12 | 98.85.15.251 (ClassC) |
| Date | Domain | IP |
| api.withonce.com | 2025-12-28 | 34.226.69.78 |
| cdn.withonce.com | 2015-07-03 | 210.101.73.18 |
| www.withonce.com | 2026-01-17 | 100.28.148.69 |