| Date | IP Address |
| 2024-08-09 | 52.96.222.194 (ClassC) |
| 2024-10-05 | 52.96.223.2 (ClassC) |
| 2024-12-01 | 52.96.172.98 (ClassC) |
| 2024-12-28 | 52.96.111.82 (ClassC) |
| Date | Domain | IP |
| vpn3-fw01.heijmans.com | 2024-11-24 | 4.210.139.165 |
| vpn-fw01.heijmans.com | 2024-11-24 | 4.210.139.166 |
| vpn3-fw02.heijmans.com | 2024-11-24 | 4.210.139.174 |
| vpn-fw02.heijmans.com | 2024-11-24 | 4.210.139.160 |
| webmail2.heijmans.com | 2024-08-09 | 52.96.222.194 |
| vpn3.heijmans.com | 2024-11-24 | 4.210.139.175 |
| vpn.heijmans.com | 2024-11-24 | 4.210.139.173 |
| hammer.heijmans.com | 2024-11-25 | 20.50.144.212 |
| apps.heijmans.com | 2024-06-03 | 3.248.126.2 |
| www.heijmans.com | 2024-10-05 | 172.67.170.253 |