| Date | IP Address |
| 2016-10-20 | 52.84.56.155 (ClassC) |
| 2018-05-22 | 13.33.126.143 (ClassC) |
| 2024-12-06 | 13.230.237.21 (ClassC) |
| 2025-04-23 | 18.179.70.161 (ClassC) |
| 2025-05-22 | 35.77.147.172 (ClassC) |
| 2025-07-06 | 57.183.54.204 (ClassC) |
| 2025-09-28 | 52.196.52.5 (ClassC) |
| 2026-01-27 | 57.182.110.255 (ClassC) |
| Date | Domain | IP |
| kesennuma.1101.com | 2024-07-16 | 3.163.24.48 |
| account.hoboid-stg.1101.com | 2025-08-09 | 99.84.66.88 |
| seikatsunotanoshimi.1101.com | 2024-12-24 | 108.138.94.96 |
| lifebook.1101.com | 2024-12-06 | 13.230.237.21 |
| stg-member.school.1101.com | 2025-07-07 | 99.84.66.114 |
| wm.1101.com | 2025-11-01 | 54.65.49.159 |
| account.1101.com | 2025-11-05 | 3.163.24.63 |
| dev-api.gakkou.1101.com | 2024-11-25 | 151.101.1.195 |
| www.1101.com | 2025-09-09 | 146.75.42.132 |