| Date | IP Address |
| 2025-02-20 | 45.60.73.127 (ClassC) |
| 2025-03-23 | 3.209.21.19 (ClassC) |
| 2025-04-01 | 52.21.12.225 (ClassC) |
| 2025-04-14 | 52.206.190.114 (ClassC) |
| 2025-05-01 | 54.90.50.211 (ClassC) |
| 2025-05-31 | 52.203.120.153 (ClassC) |
| 2025-06-22 | 54.83.242.212 (ClassC) |
| 2025-07-07 | 52.1.179.17 (ClassC) |
| 2025-07-14 | 3.234.46.94 (ClassC) |
| 2025-08-01 | 18.214.141.240 (ClassC) |
| 2025-08-21 | 3.222.228.220 (ClassC) |
| 2025-08-28 | 44.218.134.215 (ClassC) |
| 2025-09-28 | 34.224.206.185 (ClassC) |
| 2025-11-19 | 54.210.175.56 (ClassC) |
| Date | Domain | IP |
| relayhub.us.pitneybowes.com | 2024-12-22 | 45.60.73.127 |
| client-mod.relayhub.us.pitneybowes.com | 2025-02-20 | 45.60.73.127 |
| client-demo.relayhub.us.pitneybowes.com | 2025-03-04 | 45.60.0.92 |
| services.relayhub.us.pitneybowes.com | 2025-02-22 | 45.60.0.92 |
| client.relayhub.us.pitneybowes.com | 2025-01-18 | 45.60.0.92 |
| sending.us.pitneybowes.com | 2019-08-14 | 13.226.101.102 |