| Date | IP Address |
| 2024-12-26 | 3.113.166.106 (ClassC) |
| 2025-05-27 | 52.195.136.95 (ClassC) |
| 2025-07-09 | 176.32.66.228 (ClassC) |
| 2025-08-23 | 52.192.70.88 (ClassC) |
| 2025-09-06 | 35.79.240.35 (ClassC) |
| 2025-11-12 | 3.115.179.85 (ClassC) |
| 2026-02-02 | 54.168.236.215 (ClassC) |
| 2026-02-28 | 57.182.159.62 (ClassC) |
| Date | Domain | IP |
| dev.grandy-owners.jp | 2024-12-26 | 3.113.166.106 |
| www.grandy-owners.jp | 2024-12-26 | 3.113.166.106 |