| Date | IP Address |
| 2017-06-29 | 184.86.250.49 (ClassC) |
| 2017-12-13 | 91.245.214.16 (ClassC) |
| 2018-03-12 | 90.84.51.11 (ClassC) |
| 2018-03-15 | 90.84.52.59 (ClassC) |
| 2018-05-07 | 23.10.240.139 (ClassC) |
| 2018-05-07 | 23.10.240.145 (ClassC) |
| 2018-05-15 | 209.107.208.58 (ClassC) |
| 2018-05-15 | 209.107.208.81 (ClassC) |
| 2018-06-12 | 63.238.251.75 (ClassC) |
| 2018-07-02 | 63.238.216.146 (ClassC) |
| 2021-07-27 | 23.14.172.221 (ClassC) |
| 2023-08-25 | 104.86.244.217 (ClassC) |
| 2024-02-20 | 184.86.197.45 (ClassC) |
| 2024-03-22 | 104.100.60.59 (ClassC) |
| 2024-07-29 | 23.52.213.239 (ClassC) |
| 2024-09-29 | 23.198.161.119 (ClassC) |
| 2024-12-25 | 184.25.190.56 (ClassC) |
| Date | Domain | IP |
| db1.jyutaku.co.jp | 2023-08-25 | 104.86.244.217 |
| njr.jyutaku.co.jp | 2021-07-27 | 23.14.172.221 |
| www.jyutaku.co.jp | 2023-08-25 | 104.86.244.217 |