| Date | IP Address |
| 2023-09-29 | 3.248.140.219 (ClassC) |
| 2024-01-01 | 52.31.133.15 (ClassC) |
| 2024-03-05 | 52.211.226.83 (ClassC) |
| 2024-05-03 | 99.80.204.189 (ClassC) |
| 2024-09-20 | 52.49.56.192 (ClassC) |
| 2024-11-25 | 34.246.116.64 (ClassC) |
| 2024-12-26 | 63.35.89.74 (ClassC) |
| 2025-04-17 | 54.155.90.113 (ClassC) |
| 2025-07-12 | 52.48.127.82 (ClassC) |
| 2025-08-10 | 52.49.85.77 (ClassC) |
| Date | Domain | IP |
| health.email.elsevierhealth.com | 2025-05-01 | 192.243.228.1 |
| m.health.email.elsevierhealth.com | 2023-09-29 | 3.248.140.219 |
| res.health.email.elsevierhealth.com | 2024-05-06 | 204.246.191.63 |
| t.health.email.elsevierhealth.com | 2024-11-25 | 34.246.116.64 |