| Date | IP Address |
| 2014-02-14 | 54.243.247.173 (ClassC) |
| 2014-03-13 | 54.243.185.251 (ClassC) |
| 2014-11-05 | 54.228.218.117 (ClassC) |
| 2017-10-04 | 34.249.242.221 (ClassC) |
| 2017-12-20 | 52.213.211.109 (ClassC) |
| 2018-06-25 | 52.47.174.116 (ClassC) |
| 2018-07-06 | 52.47.162.227 (ClassC) |
| 2026-02-21 | 192.236.163.246 (ClassC) |
| Date | Domain | IP |
| cdn-5.learnchem.net | 2015-03-27 | 54.230.88.101 |
| cdn.learnchem.net | 2015-03-24 | 54.230.90.111 |
| www.learnchem.net | 2014-02-14 | 54.243.247.173 |