| Date | IP Address |
| 2019-12-02 | 99.84.167.37 (ClassC) |
| 2019-12-02 | 99.84.167.58 (ClassC) |
| 2019-12-02 | 99.84.167.72 (ClassC) |
| 2019-12-02 | 99.84.167.80 (ClassC) |
| 2020-11-04 | 13.226.18.50 (ClassC) |
| 2021-10-07 | 13.226.14.120 (ClassC) |
| 2021-10-07 | 13.226.14.91 (ClassC) |
| 2024-10-01 | 18.161.6.32 (ClassC) |
| 2025-01-12 | 52.84.162.30 (ClassC) |
| Date | Domain | IP |
| api.cde.sumamoru.entryservice.jp | 2024-09-08 | 3.163.24.24 |
| www.cde.sumamoru.entryservice.jp | 2024-06-04 | 99.84.66.64 |
| api.sumamoru.entryservice.jp | 2024-10-01 | 18.161.6.32 |
| admin.sumamoru.entryservice.jp | 2024-09-15 | 204.246.191.80 |
| admin.keiyogas.sumamoru.entryservice.jp | 2024-12-23 | 18.161.6.104 |