| Date | IP Address |
| 2025-09-18 | 104.18.11.6 (ClassC) |
| Date | Domain | IP |
| servicing.trn-firstmark.nelnetvelocity.com | 2025-06-10 | 104.18.10.6 |
| servicing.dev-firstmark.nelnetvelocity.com | 2024-12-18 | 104.18.8.80 |
| servicing.firstmark.nelnetvelocity.com | 2025-08-22 | 104.18.11.6 |
| servicing.trn-citris.nelnetvelocity.com | 2025-09-18 | 104.18.11.6 |
| servicing.trn-accessloans.nelnetvelocity.com | 2025-08-21 | 104.18.11.6 |