| Date | IP Address |
| 2019-12-02 | 54.95.0.118 (ClassC) |
| 2019-12-02 | 54.250.170.164 (ClassC) |
| 2019-12-02 | 52.198.6.231 (ClassC) |
| 2020-11-04 | 13.115.197.115 (ClassC) |
| 2020-11-04 | 52.192.192.163 (ClassC) |
| 2020-11-04 | 54.65.232.39 (ClassC) |
| 2021-10-05 | 18.182.112.143 (ClassC) |
| 2021-10-05 | 18.178.179.130 (ClassC) |
| 2021-10-05 | 52.196.15.134 (ClassC) |
| 2022-08-09 | 18.182.184.253 (ClassC) |
| 2022-08-09 | 3.113.110.127 (ClassC) |
| 2022-08-09 | 54.250.88.239 (ClassC) |
| 2024-06-13 | 52.195.126.30 (ClassC) |
| 2024-06-13 | 18.181.133.180 (ClassC) |
| 2024-06-13 | 13.115.178.213 (ClassC) |
| 2024-08-23 | 54.178.222.44 (ClassC) |
| 2024-08-23 | 13.113.113.160 (ClassC) |
| 2024-08-23 | 35.72.230.163 (ClassC) |
| 2024-11-24 | 13.112.84.59 (ClassC) |
| 2025-07-07 | 13.114.170.140 (ClassC) |
| 2025-08-19 | 52.192.146.111 (ClassC) |
| 2025-09-04 | 18.181.48.36 (ClassC) |
| 2025-11-01 | 18.178.245.68 (ClassC) |
| 2026-01-16 | 52.69.121.232 (ClassC) |
| 2026-02-08 | 57.182.194.131 (ClassC) |
| Date | Domain | IP |
| sctest.cfc.or.jp | 2024-11-24 | 13.112.84.59 |
| www.cfc.or.jp | 2025-11-05 | 219.94.207.91 |