| Date | IP Address |
| 2024-04-30 | 129.146.193.200 (ClassC) |
| 2024-06-15 | 23.150.40.242 (ClassC) |
| 2024-08-02 | 65.100.46.164 (ClassC) |
| 2024-08-09 | 198.137.202.32 (ClassC) |
| 2024-10-05 | 216.229.4.66 (ClassC) |
| 2024-11-22 | 23.150.41.122 (ClassC) |
| 2025-01-19 | 45.79.51.42 (ClassC) |
| 2025-01-30 | 45.79.111.167 (ClassC) |
| 2025-04-17 | 44.4.53.1 (ClassC) |
| 2025-04-25 | 72.30.35.89 (ClassC) |
| 2025-06-16 | 45.33.53.84 (ClassC) |
| 2025-06-19 | 198.137.202.56 (ClassC) |
| 2025-08-19 | 104.167.215.195 (ClassC) |
| 2025-08-23 | 144.202.62.209 (ClassC) |
| 2025-09-01 | 162.244.81.139 (ClassC) |
| 2025-12-02 | 173.255.255.133 (ClassC) |
| 2025-12-24 | 23.186.168.124 (ClassC) |
| 2026-01-06 | 129.250.35.251 (ClassC) |
| Date | Domain | IP |
| efaxadmin.wunsystems.com | 2025-11-06 | 104.18.35.101 |
| ntp.wunsystems.com | 2024-04-30 | 129.146.193.200 |
| efaxagent.wunsystems.com | 2025-10-18 | 172.64.152.155 |
| www.wunsystems.com | 2024-04-30 | 104.18.43.100 |
| efax.wunsystems.com | 2025-10-15 | 172.64.152.155 |