| Date | IP Address |
| 2021-03-24 | 149.210.235.62 (ClassC) |
| 2025-12-07 | 185.173.20.192 (ClassC) |
| Date | Domain | IP |
| smtp.mail.msv1.invalid.rtv-arnhem.nl | 2025-12-05 | 185.173.20.192 |
| newmail.msv1.invalid.rtv-arnhem.nl | 2025-12-05 | 185.173.20.192 |
| mails.msv1.invalid.rtv-arnhem.nl | 2025-12-07 | 185.173.20.192 |