| Date | IP Address |
| 2019-06-24 | 23.56.175.40 (ClassC) |
| 2019-08-06 | 23.48.209.155 (ClassC) |
| 2019-11-08 | 23.56.169.67 (ClassC) |
| 2020-01-16 | 199.239.183.3 (ClassC) |
| 2020-04-23 | 184.50.88.74 (ClassC) |
| 2020-05-26 | 23.199.50.33 (ClassC) |
| 2020-06-16 | 23.53.127.32 (ClassC) |
| 2021-10-01 | 23.223.240.211 (ClassC) |
| 2025-02-17 | 23.46.17.69 (ClassC) |
| 2025-07-15 | 23.41.4.87 (ClassC) |
| 2025-08-03 | 23.41.4.81 (ClassC) |
| Date | Domain | IP |
| mail.co.marquette.wi.us | 2014-07-13 | 65.219.110.183 |
| www.co.marquette.wi.us | 2025-02-17 | 23.46.17.69 |