| Date | IP Address |
| 2018-02-19 | 184.72.254.243 (ClassC) |
| 2018-04-04 | 54.225.111.83 (ClassC) |
| 2024-07-26 | 54.165.58.209 (ClassC) |
| 2024-08-30 | 54.73.53.134 (ClassC) |
| 2025-05-24 | 54.208.186.182 (ClassC) |
| 2025-12-12 | 34.241.115.67 (ClassC) |
| 2026-02-11 | 23.22.144.165 (ClassC) |
| Date | Domain | IP |
| marketplace.ispecimen.com | 2024-04-13 | 34.238.210.215 |
| curator.ispecimen.com | 2024-12-26 | 107.21.216.86 |
| videos.ispecimen.com | 2024-08-20 | 18.161.3.121 |
| www.ispecimen.com | 2025-05-16 | 141.193.213.20 |
| inquiry.ispecimen.com | 2024-07-26 | 54.165.58.209 |