| Date | IP Address |
| 2023-08-25 | 23.209.31.109 (ClassC) |
| 2023-11-02 | 23.6.249.172 (ClassC) |
| 2023-11-13 | 104.81.181.14 (ClassC) |
| 2024-07-30 | 2.19.144.170 (ClassC) |
| 2024-09-11 | 23.37.209.151 (ClassC) |
| 2025-01-10 | 23.196.200.119 (ClassC) |
| 2025-01-19 | 23.196.150.103 (ClassC) |
| 2025-05-28 | 2.19.128.126 (ClassC) |
| Date | Domain | IP |
| auth.18montrose.com | 2024-04-12 | 184.24.32.177 |
| images.18montrose.com | 2024-07-30 | 2.19.144.170 |
| www.18montrose.com | 2023-08-25 | 23.209.31.109 |