| Date | IP Address |
| 2019-09-28 | 104.243.40.34 (ClassC) |
| 2024-08-09 | 172.96.172.72 (ClassC) |
| 2025-01-04 | 104.238.222.211 (ClassC) |
| Date | Domain | IP |
| grizzlypeakpreserve.selberginstitute.org | 2024-08-13 | 172.96.172.72 |
| www.grizzlypeakpreserve.selberginstitute.org | 2024-11-04 | 104.238.222.211 |
| sampsoncreekpreserve.selberginstitute.org | 2024-10-20 | 104.238.222.211 |
| mail.selberginstitute.org | 2024-08-16 | 172.96.172.72 |
| www.selberginstitute.org | 2024-08-09 | 172.96.172.72 |