| Date | IP Address |
| 2023-07-18 | 107.23.5.107 (ClassC) |
| 2024-05-14 | 3.211.55.10 (ClassC) |
| 2024-07-12 | 3.216.203.1 (ClassC) |
| 2024-09-17 | 34.227.189.189 (ClassC) |
| 2024-12-14 | 54.81.149.81 (ClassC) |
| 2024-12-26 | 44.208.249.31 (ClassC) |
| 2025-03-01 | 52.5.132.9 (ClassC) |
| 2025-03-15 | 35.168.145.100 (ClassC) |
| 2025-04-30 | 54.90.21.74 (ClassC) |
| 2025-06-08 | 52.0.15.74 (ClassC) |
| 2025-08-17 | 23.23.0.110 (ClassC) |
| 2025-09-10 | 54.163.191.241 (ClassC) |
| 2025-09-19 | 35.174.160.34 (ClassC) |
| Date | Domain | IP |
| elsevierbookweb2.proofcentral.com | 2024-11-24 | 34.193.76.77 |
| elsevierapi.proofcentral.com | 2024-07-22 | 75.101.155.94 |
| elsevier.proofcentral.com | 2024-05-14 | 3.211.55.10 |
| www.proofcentral.com | 2025-02-07 | 208.80.123.110 |