| Date | IP Address |
| 2017-12-30 | 72.246.43.8 (ClassC) |
| 2018-01-25 | 72.246.56.75 (ClassC) |
| 2018-03-02 | 72.246.56.10 (ClassC) |
| 2018-03-15 | 23.215.105.97 (ClassC) |
| 2020-06-17 | 23.198.175.75 (ClassC) |
| 2024-04-22 | 104.119.82.43 (ClassC) |
| 2024-05-06 | 23.208.50.122 (ClassC) |
| 2024-05-24 | 23.204.20.247 (ClassC) |
| 2024-06-07 | 23.37.37.120 (ClassC) |
| 2024-06-17 | 104.73.228.175 (ClassC) |
| 2024-09-22 | 23.12.21.5 (ClassC) |
| 2025-01-12 | 104.100.75.165 (ClassC) |
| 2025-01-21 | 23.203.209.67 (ClassC) |
| 2025-02-26 | 23.193.84.175 (ClassC) |
| 2025-03-06 | 23.206.41.245 (ClassC) |
| 2025-03-24 | 23.1.60.100 (ClassC) |
| Date | Domain | IP |
| contact.japanhouse.jp | 2023-08-26 | 104.100.75.165 |
| www.japanhouse.jp | 2024-04-22 | 23.44.241.79 |