| Date | IP Address |
| 2016-12-15 | 72.246.40.17 (ClassC) |
| 2016-12-16 | 72.246.40.49 (ClassC) |
| 2017-03-16 | 184.50.239.43 (ClassC) |
| 2017-07-04 | 23.63.226.187 (ClassC) |
| 2017-10-10 | 23.48.208.72 (ClassC) |
| 2024-09-06 | 199.60.103.227 (ClassC) |
| 2024-11-17 | 199.60.103.29 (ClassC) |
| Date | Domain | IP |
| lti.one.lumenlearning.com | 2024-02-21 | 35.83.162.224 |
| blog.lumenlearning.com | 2024-09-06 | 199.60.103.227 |
| courses.lumenlearning.com | 2024-08-30 | 23.185.0.1 |
| desmos.lumenlearning.com | 2024-02-19 | 99.84.238.106 |
| assess.lumenlearning.com | 2023-08-16 | 35.166.64.219 |
| www.lumenlearning.com | 2024-11-12 | 151.101.130.159 |
| lux.lumenlearning.com | 2024-07-02 | 204.246.191.25 |