| Date | IP Address |
| 2016-01-19 | 54.250.185.74 (ClassC) |
| 2018-05-15 | 52.192.0.208 (ClassC) |
| 2018-05-15 | 52.198.45.199 (ClassC) |
| 2019-03-14 | 52.194.129.39 (ClassC) |
| 2019-03-14 | 52.199.123.189 (ClassC) |
| 2020-10-23 | 52.196.93.140 (ClassC) |
| 2024-06-22 | 3.163.24.96 (ClassC) |
| 2024-09-07 | 204.246.191.115 (ClassC) |
| 2025-04-14 | 204.246.191.26 (ClassC) |
| 2025-08-28 | 3.175.34.93 (ClassC) |
| Date | Domain | IP |
| www.kahoiin.or.jp | 2024-12-16 | 204.246.191.98 |