| Date | IP Address |
| 2025-01-12 | 54.85.200.155 (ClassC) |
| 2025-03-10 | 151.101.3.10 (ClassC) |
| 2025-03-28 | 151.101.131.10 (ClassC) |
| 2025-05-14 | 151.101.67.10 (ClassC) |
| 2025-08-09 | 151.101.195.10 (ClassC) |
| Date | Domain | IP |
| email-images.irhythmtech.com | 2021-07-27 | 99.84.64.89 |
| investors.irhythmtech.com | 2024-10-23 | 162.159.129.11 |
| www.irhythmtech.com | 2024-11-26 | 199.60.103.28 |