| Date | IP Address |
| 2025-01-10 | 50.202.223.151 (ClassC) |
| Date | Domain | IP |
| owa.athenahealthcare.com | 2025-01-10 | 64.207.99.93 |
| mobile.athenahealthcare.com | 2024-11-13 | 50.202.223.148 |
| home.athenahealthcare.com | 2024-11-14 | 52.0.174.127 |
| private.athenahealthcare.com | 2024-11-12 | 50.202.223.150 |
| mail.athenahealthcare.com | 2025-01-10 | 64.207.99.93 |
| encryption.athenahealthcare.com | 2025-01-10 | 50.202.223.151 |
| autodiscover.athenahealthcare.com | 2024-11-13 | 64.207.99.93 |
| webapps.athenahealthcare.com | 2024-11-13 | 50.202.223.153 |
| dev.athenahealthcare.com | 2024-11-13 | 64.207.96.91 |
| www.athenahealthcare.com | 2024-11-11 | 64.207.96.88 |