| Date | IP Address |
| 2020-09-01 | 143.204.226.48 (ClassC) |
| 2020-11-14 | 13.32.240.112 (ClassC) |
| 2024-02-12 | 18.239.199.128 (ClassC) |
| 2024-12-21 | 18.65.229.125 (ClassC) |
| 2024-12-25 | 18.65.229.23 (ClassC) |
| 2025-03-08 | 204.246.191.46 (ClassC) |
| 2025-04-13 | 204.246.191.94 (ClassC) |
| 2025-07-13 | 204.246.191.108 (ClassC) |
| 2025-08-04 | 204.246.191.123 (ClassC) |
| 2025-11-20 | 3.169.173.119 (ClassC) |
| 2025-11-26 | 3.169.173.93 (ClassC) |
| 2026-01-27 | 3.169.173.53 (ClassC) |
| Date | Domain | IP |
| www.tokyo.soka.ed.jp | 2024-07-05 | 204.246.191.123 |
| center.soka.ed.jp | 2024-04-13 | 204.246.191.108 |
| tokyo-junior.soka.ed.jp | 2025-11-24 | 3.175.34.104 |
| www.soka.ed.jp | 2020-04-18 | 143.204.142.121 |
| kansai-elementary.soka.ed.jp | 2024-02-12 | 18.239.199.128 |
| tokyo-elementary.soka.ed.jp | 2025-07-29 | 204.246.191.46 |