| Date | IP Address |
| 2020-09-30 | 54.199.101.14 (ClassC) |
| 2022-12-06 | 52.193.75.192 (ClassC) |
| 2024-10-17 | 13.231.51.206 (ClassC) |
| 2025-06-09 | 52.196.241.32 (ClassC) |
| 2025-11-03 | 52.192.1.129 (ClassC) |
| 2026-02-25 | 54.248.81.5 (ClassC) |
| Date | Domain | IP |
| www.houzec.co.jp | 2025-09-16 | 52.196.218.56 |