| Date | IP Address |
| 2024-11-11 | 54.248.173.189 (ClassC) |
| 2024-11-15 | 52.192.180.90 (ClassC) |
| 2025-03-30 | 18.182.83.108 (ClassC) |
| 2025-05-15 | 54.168.147.36 (ClassC) |
| 2025-07-04 | 3.115.89.163 (ClassC) |
| 2025-08-17 | 54.178.155.124 (ClassC) |
| 2025-09-20 | 57.180.238.163 (ClassC) |
| 2025-09-23 | 13.112.142.21 (ClassC) |
| 2025-11-18 | 57.182.106.70 (ClassC) |
| 2026-02-26 | 54.199.62.11 (ClassC) |
| Date | Domain | IP |
| rakuraku-m.ist-software.co.jp | 2025-11-20 | 133.186.35.64 |
| pdf-read.its-kikaku.ist-software.co.jp | 2025-09-27 | 18.178.201.12 |
| score-mate.its-kikaku.ist-software.co.jp | 2025-12-08 | 3.113.212.126 |
| dify.its-kikaku.ist-software.co.jp | 2024-11-11 | 54.248.173.189 |
| www.ist-software.co.jp | 2025-03-31 | 210.237.130.143 |