| Date | IP Address |
| 2017-12-30 | 54.192.197.177 (ClassC) |
| 2018-05-26 | 52.84.35.156 (ClassC) |
| 2018-08-23 | 143.204.158.22 (ClassC) |
| 2018-08-23 | 143.204.158.9 (ClassC) |
| 2018-08-30 | 54.192.7.104 (ClassC) |
| 2018-08-30 | 54.192.7.45 (ClassC) |
| 2018-08-30 | 54.192.7.77 (ClassC) |
| 2018-08-30 | 54.192.7.95 (ClassC) |
| 2019-03-05 | 52.84.246.241 (ClassC) |
| 2024-07-25 | 204.246.191.63 (ClassC) |
| 2024-10-05 | 204.246.191.67 (ClassC) |
| 2024-12-22 | 204.246.191.122 (ClassC) |
| 2025-03-06 | 3.163.189.77 (ClassC) |
| 2025-03-16 | 99.84.66.108 (ClassC) |
| 2025-06-02 | 3.163.189.111 (ClassC) |
| 2025-08-14 | 99.84.66.57 (ClassC) |
| Date | Domain | IP |
| www1.realclearbooks.com | 2025-06-09 | 54.227.153.25 |
| login.realclearbooks.com | 2025-05-07 | 104.130.4.225 |
| www.realclearbooks.com | 2024-07-25 | 204.246.191.63 |