| Property | Value |
| Organization | BOOKOFF Co. |
| NameServer | dns-c.iij.ad.jp |
| Created | 1997-08-04 00:00:00 |
| Changed | 2016-08-31 16:02:16 |
| Date | IP Address |
| 2021-07-21 | 13.225.66.58 (ClassC) |
| 2021-09-29 | 13.227.40.52 (ClassC) |
| 2021-09-29 | 13.227.40.74 (ClassC) |
| 2022-01-08 | 13.249.42.21 (ClassC) |
| 2024-07-24 | 3.163.24.32 (ClassC) |
| 2024-08-10 | 204.246.191.4 (ClassC) |
| 2024-10-05 | 18.172.170.99 (ClassC) |
| 2024-11-07 | 52.84.162.36 (ClassC) |
| 2024-12-26 | 3.163.24.121 (ClassC) |
| 2025-03-15 | 3.163.24.36 (ClassC) |
| 2025-03-21 | 3.163.24.52 (ClassC) |
| 2025-03-30 | 52.84.162.89 (ClassC) |
| 2025-04-16 | 204.246.191.51 (ClassC) |
| 2025-05-23 | 52.84.162.109 (ClassC) |
| 2025-06-19 | 3.175.34.113 (ClassC) |
| 2025-07-27 | 3.175.34.66 (ClassC) |
| 2026-01-31 | 3.175.34.9 (ClassC) |
| Date | Domain | IP |
| stg-api.roc.bookoff.co.jp | 2025-09-12 | 3.112.0.17 |
| support-online.bookoff.co.jp | 2025-05-01 | 3.163.24.112 |
| shopping.bookoff.co.jp | 2025-06-14 | 180.55.88.246 |
| member.bookoff.co.jp | 2025-08-21 | 52.192.149.244 |
| content.bookoff.co.jp | 2025-03-21 | 99.84.66.115 |
| booklogreview.bookoff.co.jp | 2024-02-22 | 3.163.24.32 |
| www.bookoff.co.jp | 2024-07-24 | 3.163.24.32 |