| Date | IP Address |
| 2024-07-02 | 54.64.5.227 (ClassC) |
| 2024-11-25 | 35.78.61.33 (ClassC) |
| 2024-12-14 | 52.193.116.87 (ClassC) |
| 2025-01-29 | 54.64.134.193 (ClassC) |
| Date | Domain | IP |
| stage.circle-app.jp | 2024-11-25 | 52.68.194.111 |
| monitoring-stage.circle-app.jp | 2024-11-24 | 54.65.160.12 |
| idp-stage.circle-app.jp | 2024-11-24 | 13.115.184.164 |
| monitoring.circle-app.jp | 2024-11-24 | 18.179.245.214 |
| idp.circle-app.jp | 2024-11-25 | 52.197.161.59 |
| www.circle-app.jp | 2024-07-02 | 54.64.5.227 |