| Date | IP Address |
| 2026-02-15 | 183.90.183.157 (ClassC) |
| Date | Domain | IP |
| webdisk.hssl.cfbx.jp | 2024-11-25 | 183.90.183.157 |
| cpanel.hssl.cfbx.jp | 2025-08-18 | 183.90.183.157 |
| mail.hssl.cfbx.jp | 2025-08-18 | 183.90.183.157 |
| webmail.hssl.cfbx.jp | 2025-08-18 | 183.90.183.157 |
| cpcalendars.hssl.cfbx.jp | 2025-08-31 | 183.90.183.157 |
| cpcontacts.hssl.cfbx.jp | 2025-08-18 | 183.90.183.157 |
| www.hssl.cfbx.jp | 2025-09-13 | 183.90.183.157 |