| Date | IP Address |
| 2019-12-03 | 104.114.79.43 (ClassC) |
| 2019-12-03 | 104.114.79.88 (ClassC) |
| 2019-12-09 | 23.220.96.97 (ClassC) |
| 2020-01-28 | 23.43.164.66 (ClassC) |
| 2020-03-02 | 23.35.71.227 (ClassC) |
| 2020-04-10 | 63.239.232.21 (ClassC) |
| 2020-08-28 | 172.232.21.34 (ClassC) |
| 2020-08-28 | 172.232.21.73 (ClassC) |
| 2020-09-14 | 172.232.13.88 (ClassC) |
| 2021-06-13 | 23.64.114.83 (ClassC) |
| 2022-02-04 | 96.17.11.8 (ClassC) |
| 2022-02-15 | 23.213.53.77 (ClassC) |
| 2022-03-11 | 23.42.158.113 (ClassC) |
| 2022-04-13 | 184.30.42.195 (ClassC) |
| 2022-12-22 | 23.66.127.152 (ClassC) |
| 2023-07-11 | 23.54.19.107 (ClassC) |
| 2023-08-09 | 104.119.189.17 (ClassC) |
| 2024-01-29 | 23.215.9.139 (ClassC) |
| 2024-08-16 | 104.96.163.142 (ClassC) |
| 2024-09-09 | 23.41.4.13 (ClassC) |
| 2025-10-18 | 23.41.4.79 (ClassC) |
| 2026-01-26 | 23.41.4.88 (ClassC) |
| Date | Domain | IP |
| seg.katten.com | 2024-08-13 | 198.97.224.131 |
| quickreads.katten.com | 2025-11-07 | 46.51.195.67 |
| clients.katten.com | 2023-07-11 | 23.54.19.107 |
| quickreads.ext.katten.com | 2025-11-06 | 52.18.73.80 |
| www.katten.com | 2025-11-28 | 40.112.142.148 |