| Date | IP Address |
| 2023-08-26 | 52.192.242.202 (ClassC) |
| 2023-10-25 | 52.192.242.184 (ClassC) |
| 2024-06-25 | 18.160.46.124 (ClassC) |
| 2024-08-21 | 3.163.24.53 (ClassC) |
| 2024-10-18 | 18.238.238.101 (ClassC) |
| 2024-11-21 | 3.163.24.105 (ClassC) |
| 2024-11-24 | 99.84.66.14 (ClassC) |
| 2025-01-15 | 204.246.191.99 (ClassC) |
| 2025-03-03 | 18.238.238.46 (ClassC) |
| 2025-03-16 | 99.84.66.83 (ClassC) |
| 2025-03-24 | 204.246.191.86 (ClassC) |
| 2025-06-11 | 204.246.191.40 (ClassC) |
| 2025-07-11 | 204.246.191.126 (ClassC) |
| 2025-10-30 | 3.169.173.35 (ClassC) |
| 2026-02-02 | 3.169.173.31 (ClassC) |
| Date | Domain | IP |
| brand.studysapuri.jp | 2023-12-28 | 18.161.6.28 |
| api.studysapuri.jp | 2025-09-06 | 99.84.66.81 |
| school.studysapuri.jp | 2024-02-13 | 204.246.191.89 |
| api.school.studysapuri.jp | 2025-05-15 | 160.17.101.58 |
| mediacdn.studysapuri.jp | 2024-06-23 | 3.163.24.33 |
| learn.studysapuri.jp | 2019-08-05 | 13.224.202.55 |
| help.studysapuri.jp | 2024-08-16 | 18.161.6.2 |
| assets.studysapuri.jp | 2025-09-30 | 18.161.6.104 |
| content.api.cbt.studysapuri.jp | 2024-02-21 | 35.72.76.139 |
| www.studysapuri.jp | 2025-05-01 | 57.180.237.103 |