| Date | IP Address |
| 2013-01-02 | 66.150.15.97 (ClassC) |
| 2024-01-27 | 172.66.40.119 (ClassC) |
| 2024-05-13 | 172.66.43.137 (ClassC) |
| 2025-01-10 | 141.193.213.20 (ClassC) |
| 2025-01-20 | 141.193.213.21 (ClassC) |
| Date | Domain | IP |
| go.fierceinc.com | 2014-11-25 | 108.168.254.38 |
| cms.fierceinc.com | 2024-09-17 | 23.54.19.115 |
| chat.fierceinc.com | 2024-02-16 | 99.84.66.71 |
| connect.fierceinc.com | 2024-09-02 | 172.66.40.119 |