| Date | IP Address |
| 2025-01-17 | 210.148.6.25 (ClassC) |
| Date | Domain | IP |
| cdn.koryaku.fullbokko.drecom.jp | 2014-05-19 | 54.230.90.102 |
| stg-asset-jp.drill-prd.dev.drecom.jp | 2024-09-03 | 3.165.160.120 |
| review-asset-jp.drill-prd.dev.drecom.jp | 2024-07-21 | 18.161.6.126 |
| hotfix-asset-jp.drill-prd.dev.drecom.jp | 2024-08-17 | 18.161.6.42 |
| review-news-ww.drill-prd.dev.drecom.jp | 2024-09-19 | 18.161.6.40 |
| hotfix-asset-ww.drill-prd.dev.drecom.jp | 2024-06-29 | 18.161.6.127 |
| zatsupost.dev.drecom.jp | 2024-09-03 | 18.161.6.123 |