| Date | IP Address |
| 2022-01-20 | 52.9.201.217 (ClassC) |
| 2022-01-20 | 54.183.93.240 (ClassC) |
| 2022-08-18 | 54.151.54.41 (ClassC) |
| 2022-08-18 | 52.8.245.143 (ClassC) |
| 2025-09-08 | 13.56.93.253 (ClassC) |
| 2025-10-12 | 52.52.14.117 (ClassC) |
| 2025-12-09 | 52.8.86.206 (ClassC) |
| Date | Domain | IP |
| staging.svc.vaccineregistry.com | 2025-07-23 | 54.241.164.36 |
| staging.vaccineregistry.com | 2025-09-08 | 13.56.93.253 |