| Date | IP Address |
| 2016-04-30 | 37.34.52.107 (ClassC) |
| 2017-08-16 | 104.24.126.210 (ClassC) |
| 2017-10-01 | 104.24.127.210 (ClassC) |
| 2018-04-24 | 104.25.147.113 (ClassC) |
| 2018-04-24 | 104.25.148.113 (ClassC) |
| 2019-06-01 | 104.28.18.133 (ClassC) |
| 2019-06-01 | 104.28.19.133 (ClassC) |
| 2019-09-20 | 104.31.153.7 (ClassC) |
| 2019-09-20 | 104.31.152.7 (ClassC) |
| 2019-10-24 | 104.26.8.146 (ClassC) |
| 2019-10-24 | 104.26.9.146 (ClassC) |
| 2020-06-05 | 172.67.69.83 (ClassC) |
| 2026-01-29 | 83.217.89.147 (ClassC) |
| Date | Domain | IP |
| nouryon.delftechniek.nl | 2025-09-12 | 172.104.129.171 |