| Date | IP Address |
| 2019-01-02 | 52.192.3.87 (ClassC) |
| 2019-03-01 | 52.197.25.100 (ClassC) |
| 2019-04-14 | 54.199.164.3 (ClassC) |
| 2020-07-04 | 52.69.1.90 (ClassC) |
| 2021-02-23 | 54.150.134.131 (ClassC) |
| 2021-08-20 | 52.69.52.1 (ClassC) |
| 2023-11-01 | 3.114.191.248 (ClassC) |
| 2026-01-27 | 4.189.8.240 (ClassC) |
| Date | Domain | IP |
| kenshu-shinsei.joa.or.jp | 2025-09-05 | 221.241.118.136 |
| card-sys.joa.or.jp | 2025-09-05 | 221.241.118.138 |
| www.joa.or.jp | 2023-11-01 | 3.114.191.248 |