| Date | IP Address |
| 2020-10-07 | 13.33.86.5 (ClassC) |
| 2020-10-07 | 13.33.86.67 (ClassC) |
| 2020-10-07 | 13.33.86.72 (ClassC) |
| 2024-10-15 | 18.245.96.49 (ClassC) |
| 2025-07-18 | 3.171.61.64 (ClassC) |
| 2025-12-22 | 18.161.6.106 (ClassC) |
| 2026-03-08 | 18.161.6.104 (ClassC) |
| Date | Domain | IP |
| static.pup.cimpress.io | 2025-03-16 | 3.163.24.86 |
| iframe.pup.cimpress.io | 2025-12-23 | 3.163.24.125 |
| staging.royal-mail.pup.cimpress.io | 2024-10-20 | 52.49.18.41 |
| widget.pup.cimpress.io | 2025-12-22 | 18.161.6.106 |