| Date | IP Address |
| 2024-12-06 | 108.156.152.96 (ClassC) |
| 2024-12-20 | 13.35.116.92 (ClassC) |
| 2026-01-19 | 3.163.24.28 (ClassC) |
| Date | Domain | IP |
| api.stampsendicia.com | 2025-05-25 | 35.227.167.242 |
| auth-cdn.stampsendicia.com | 2026-01-19 | 3.163.24.28 |
| signin.stampsendicia.com | 2024-09-02 | 104.19.167.24 |