| Date | IP Address |
| 2014-11-07 | 104.28.13.78 (ClassC) |
| 2015-01-05 | 104.28.12.78 (ClassC) |
| 2024-07-13 | 104.26.1.147 (ClassC) |
| 2024-12-26 | 172.67.74.64 (ClassC) |
| Date | Domain | IP |
| encyclopedia.densho.org | 2014-10-22 | 104.28.13.78 |
| nikkeijin.densho.org | 2015-06-16 | 104.28.13.78 |
| ddr.densho.org | 2015-06-19 | 104.28.13.78 |
| www.densho.org | 2014-11-07 | 104.28.13.78 |