| Date | IP Address |
| 2018-10-31 | 52.21.13.74 (ClassC) |
| 2018-10-31 | 18.210.118.26 (ClassC) |
| 2019-01-28 | 54.174.94.39 (ClassC) |
| 2019-01-28 | 52.20.222.54 (ClassC) |
| 2019-01-28 | 52.7.176.197 (ClassC) |
| 2019-01-29 | 52.54.155.193 (ClassC) |
| 2019-01-29 | 52.205.207.202 (ClassC) |
| 2019-01-29 | 18.206.32.107 (ClassC) |
| 2019-04-27 | 107.21.7.33 (ClassC) |
| 2019-04-27 | 52.203.27.3 (ClassC) |
| 2019-04-27 | 35.169.26.43 (ClassC) |
| 2019-11-12 | 76.223.9.102 (ClassC) |
| 2019-11-12 | 13.248.141.96 (ClassC) |
| 2020-05-15 | 52.34.252.183 (ClassC) |
| 2020-05-15 | 35.155.204.244 (ClassC) |
| 2020-05-15 | 44.225.96.143 (ClassC) |
| 2021-03-28 | 184.73.183.75 (ClassC) |
| 2021-03-28 | 34.197.10.15 (ClassC) |
| 2021-03-28 | 54.164.4.68 (ClassC) |
| 2025-08-01 | 52.33.232.177 (ClassC) |
| Date | Domain | IP |
| cpcalendars.mhgwestvalley.com | 2025-06-30 | 52.33.232.177 |
| www.mhgwestvalley.com | 2019-04-27 | 107.21.7.33 |