| Date | IP Address |
| 2015-06-25 | 108.162.204.179 (ClassC) |
| 2015-07-01 | 108.162.203.179 (ClassC) |
| 2019-10-20 | 104.25.151.102 (ClassC) |
| 2019-10-20 | 104.25.152.102 (ClassC) |
| 2019-11-17 | 104.27.16.94 (ClassC) |
| 2019-11-17 | 104.27.17.94 (ClassC) |
| 2019-11-21 | 104.26.9.99 (ClassC) |
| 2019-11-28 | 104.26.8.99 (ClassC) |
| 2024-11-07 | 172.67.72.129 (ClassC) |
| 2025-05-24 | 208.103.161.2 (ClassC) |
| 2025-11-21 | 208.103.161.1 (ClassC) |
| Date | Domain | IP |
| dev.notionup.com | 2025-04-27 | 208.103.161.2 |