| Date | IP Address |
| 2015-01-09 | 54.231.15.33 (ClassC) |
| 2015-01-12 | 54.231.1.105 (ClassC) |
| 2015-03-25 | 54.231.17.113 (ClassC) |
| 2024-01-11 | 16.182.74.1 (ClassC) |
| 2024-03-14 | 3.5.28.30 (ClassC) |
| 2024-11-02 | 54.231.202.33 (ClassC) |
| 2025-03-27 | 16.15.178.8 (ClassC) |
| Date | Domain | IP |
| toxchange.toxicology.org | 2024-10-26 | 34.193.4.92 |
| files.toxicology.org | 2015-01-12 | 54.231.1.105 |