| Date | IP Address |
| 2016-08-25 | 50.17.230.210 (ClassC) |
| 2016-10-13 | 23.23.154.130 (ClassC) |
| 2017-02-05 | 54.243.154.49 (ClassC) |
| 2024-11-25 | 107.21.3.84 (ClassC) |
| 2025-03-05 | 52.72.29.159 (ClassC) |
| 2025-04-10 | 44.219.139.238 (ClassC) |
| 2025-07-28 | 52.70.134.94 (ClassC) |
| 2025-08-04 | 18.214.137.210 (ClassC) |
| Date | Domain | IP |
| assets.knock.co | 2024-03-11 | 204.246.191.17 |
| www.knock.co | 2024-11-25 | 107.21.3.84 |