| Date | IP Address |
| 2023-08-25 | 104.88.181.208 (ClassC) |
| 2024-07-07 | 184.31.124.27 (ClassC) |
| 2026-02-01 | 23.206.149.141 (ClassC) |
| Date | Domain | IP |
| ndc.ntam.northerntrust.com | 2024-09-21 | 23.223.220.114 |
| corporate.ntam.northerntrust.com | 2023-08-26 | 104.108.93.78 |
| uat.corporate.ntam.northerntrust.com | 2023-08-25 | 104.88.181.208 |
| uat.ntam.northerntrust.com | 2025-01-20 | 23.196.144.98 |
| ndc.uat.ntam.northerntrust.com | 2024-03-28 | 23.196.144.98 |
| directindexing.uat.ntam.northerntrust.com | 2026-02-01 | 23.192.230.146 |
| uat.wpt.ntam.northerntrust.com | 2023-08-25 | 104.88.181.208 |
| uat.bu.ntam.northerntrust.com | 2023-08-25 | 104.88.181.208 |
| ndc.dev.ntam.northerntrust.com | 2024-03-28 | 104.112.183.71 |
| www.ntam.northerntrust.com | 2023-08-25 | 23.196.126.151 |