| Date | IP Address |
| 2021-12-07 | 172.232.13.99 (ClassC) |
| 2023-07-03 | 23.59.177.210 (ClassC) |
| 2023-08-07 | 104.100.168.147 (ClassC) |
| 2023-10-04 | 23.38.191.34 (ClassC) |
| 2023-10-24 | 23.38.191.40 (ClassC) |
| 2023-12-11 | 184.28.93.17 (ClassC) |
| 2024-03-26 | 184.30.150.209 (ClassC) |
| 2024-05-01 | 23.216.145.18 (ClassC) |
| 2024-08-08 | 104.96.163.136 (ClassC) |
| 2024-08-26 | 23.192.230.91 (ClassC) |
| 2024-09-02 | 104.98.114.152 (ClassC) |
| 2024-11-01 | 23.54.19.186 (ClassC) |
| 2024-12-09 | 23.41.4.78 (ClassC) |
| 2025-02-03 | 23.44.175.116 (ClassC) |
| 2025-11-22 | 23.41.4.83 (ClassC) |
| 2025-12-16 | 23.41.4.74 (ClassC) |
| Date | Domain | IP |
| reg2-w3.jaccs.co.jp | 2024-03-16 | 23.55.167.8 |
| reg-w3.jaccs.co.jp | 2025-01-13 | 23.59.88.196 |
| reg-mb.jaccs.co.jp | 2025-04-25 | 23.41.4.91 |
| reg2-ec.jaccs.co.jp | 2023-08-26 | 23.74.135.89 |
| reg-ec.jaccs.co.jp | 2023-08-26 | 104.86.240.184 |
| api.jaccs.co.jp | 2025-09-14 | 23.41.4.83 |
| j-olfas.jaccs.co.jp | 2024-11-25 | 57.181.87.60 |
| ecredit.jaccs.co.jp | 2023-08-25 | 104.86.227.253 |
| www.jaccs.co.jp | 2023-12-11 | 69.192.139.197 |