| Date | IP Address |
| 2016-01-30 | 63.217.208.200 (ClassC) |
| 2018-06-06 | 67.132.30.128 (ClassC) |
| 2018-07-27 | 165.254.94.89 (ClassC) |
| 2024-03-09 | 52.21.50.234 (ClassC) |
| 2025-05-01 | 3.214.21.245 (ClassC) |
| Date | Domain | IP |
| assets.westinchicago.com | 2015-02-25 | 184.50.238.184 |
| www.westinchicago.com | 2024-03-09 | 52.21.50.234 |