| Date | IP Address |
| 2022-04-23 | 52.194.3.220 (ClassC) |
| 2024-12-26 | 3.114.177.37 (ClassC) |
| 2025-03-04 | 35.77.182.35 (ClassC) |
| 2025-04-22 | 54.250.119.5 (ClassC) |
| 2025-05-31 | 52.69.235.45 (ClassC) |
| 2025-06-08 | 57.182.196.228 (ClassC) |
| 2025-06-22 | 52.192.4.227 (ClassC) |
| 2025-08-09 | 52.197.212.227 (ClassC) |
| 2025-08-19 | 13.112.61.251 (ClassC) |
| 2025-08-23 | 52.199.155.224 (ClassC) |
| 2025-12-15 | 13.113.19.134 (ClassC) |
| Date | Domain | IP |
| contract-staging.housebokan.co.jp | 2024-04-13 | 52.199.56.53 |
| sp.housebokan.co.jp | 2024-04-13 | 52.69.16.64 |
| www.housebokan.co.jp | 2024-12-26 | 3.114.177.37 |