| Date | IP Address |
| 2023-08-14 | 104.81.181.14 (ClassC) |
| 2023-10-08 | 23.38.230.215 (ClassC) |
| 2023-11-02 | 23.6.249.172 (ClassC) |
| 2024-01-29 | 23.209.31.109 (ClassC) |
| 2024-07-30 | 104.104.0.119 (ClassC) |
| 2024-08-09 | 23.6.177.225 (ClassC) |
| 2024-10-27 | 23.37.209.151 (ClassC) |
| 2024-11-09 | 2.19.128.126 (ClassC) |
| 2025-01-12 | 23.196.200.119 (ClassC) |
| 2025-01-19 | 184.24.32.177 (ClassC) |
| 2025-01-25 | 23.196.150.103 (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 |