| Date | IP Address |
| 2025-10-24 | 103.4.42.173 (ClassC) |
| Date | Domain | IP |
| dlshci.stg1.pfa.mobilebook.jp | 2024-01-30 | 99.84.66.9 |
| dls.pfa.mobilebook.jp | 2024-01-30 | 18.161.6.119 |
| pf.mobilebook.jp | 2025-01-29 | 3.33.144.153 |
| mbj-bs2.pf.mobilebook.jp | 2025-05-16 | 104.215.15.194 |
| dlsh.pf.mobilebook.jp | 2024-01-30 | 52.196.91.210 |
| mbj-bs.pf.mobilebook.jp | 2025-07-08 | 20.89.252.205 |
| dls.pf.mobilebook.jp | 2024-01-30 | 52.198.50.202 |
| www.mobilebook.jp | 2025-10-24 | 103.4.42.173 |