| Date | IP Address |
| 2023-07-18 | 13.32.208.20 (ClassC) |
| 2024-11-26 | 99.84.66.87 (ClassC) |
| 2024-12-15 | 99.86.38.38 (ClassC) |
| 2024-12-30 | 204.246.191.52 (ClassC) |
| 2025-03-28 | 204.246.191.100 (ClassC) |
| 2025-10-10 | 3.175.34.16 (ClassC) |
| 2025-11-11 | 3.175.34.115 (ClassC) |
| Date | Domain | IP |
| nazotokiguidebook-shibuya.quizknock.com | 2025-03-09 | 108.138.94.31 |
| portal.quizknock.com | 2024-11-26 | 99.84.66.87 |