| Date | IP Address |
| 2015-03-21 | 54.231.1.156 (ClassC) |
| 2015-03-21 | 54.231.32.20 (ClassC) |
| 2015-04-22 | 54.231.96.244 (ClassC) |
| 2024-09-30 | 141.193.213.11 (ClassC) |
| 2025-02-17 | 141.193.213.10 (ClassC) |
| 2025-10-16 | 172.67.152.181 (ClassC) |
| 2025-11-03 | 104.21.80.178 (ClassC) |
| 2026-01-21 | 104.26.0.192 (ClassC) |
| Date | Domain | IP |
| khan.smarthistory.org | 2015-04-20 | 54.231.33.5 |
| www.smarthistory.org | 2015-03-21 | 54.231.32.20 |