| Date | IP Address |
| 2019-05-04 | 174.35.98.177 (ClassC) |
| 2019-05-21 | 174.35.97.80 (ClassC) |
| 2019-05-27 | 174.35.98.146 (ClassC) |
| 2019-06-10 | 174.35.97.239 (ClassC) |
| 2019-06-12 | 174.35.98.18 (ClassC) |
| 2019-06-12 | 174.35.98.208 (ClassC) |
| 2019-06-13 | 174.35.97.49 (ClassC) |
| 2019-06-13 | 174.35.98.111 (ClassC) |
| 2019-06-15 | 174.35.97.18 (ClassC) |
| 2019-07-06 | 157.185.172.174 (ClassC) |
| 2019-07-08 | 157.185.179.117 (ClassC) |
| 2026-01-24 | 34.107.251.16 (ClassC) |
| Date | Domain | IP |
| reserve.happyhotel.jp | 2025-09-24 | 34.107.251.16 |
| stagingssl-reserve.happyhotel.jp | 2025-11-29 | 125.63.39.240 |
| staging.happyhotel.jp | 2025-09-25 | 125.63.39.240 |
| stagingssl.happyhotel.jp | 2025-11-03 | 125.63.39.240 |
| url3219.gcpdev.happyhotel.jp | 2023-09-29 | 167.89.118.83 |
| www.happyhotel.jp | 2023-11-02 | 34.107.251.16 |