| Date | IP Address |
| 2021-08-08 | 54.230.161.93 (ClassC) |
| 2021-11-10 | 99.84.189.105 (ClassC) |
| 2021-11-10 | 99.84.189.34 (ClassC) |
| 2023-10-18 | 204.246.191.18 (ClassC) |
| 2023-12-01 | 204.246.191.83 (ClassC) |
| 2024-10-10 | 18.65.229.95 (ClassC) |
| 2025-03-08 | 99.84.66.109 (ClassC) |
| 2025-04-17 | 99.84.66.110 (ClassC) |
| 2025-06-27 | 99.84.66.101 (ClassC) |
| 2025-11-01 | 3.169.173.28 (ClassC) |
| Date | Domain | IP |
| gw01.eosc.h2o-retailing.co.jp | 2025-05-08 | 61.195.105.254 |
| h2o-id.h2o-retailing.co.jp | 2025-10-11 | 35.75.193.235 |
| smile.h2o-retailing.co.jp | 2025-03-06 | 99.84.66.11 |
| www.h2o-retailing.co.jp | 2023-10-18 | 204.246.191.18 |