| Date | IP Address |
| 2015-08-07 | 204.248.54.130 (ClassC) |
| 2019-09-29 | 104.219.54.168 (ClassC) |
| 2020-06-11 | 13.68.89.66 (ClassC) |
| 2025-06-28 | 104.21.22.104 (ClassC) |
| 2025-12-15 | 172.67.204.49 (ClassC) |
| Date | Domain | IP |
| www.intervarsitypress.com | 2025-05-25 | 104.21.22.104 |