| Date | IP Address |
| 2021-12-22 | 13.226.23.176 (ClassC) |
| 2022-09-15 | 18.154.185.45 (ClassC) |
| 2023-10-29 | 13.33.252.17 (ClassC) |
| 2024-05-24 | 18.161.6.125 (ClassC) |
| 2024-11-28 | 3.163.24.16 (ClassC) |
| 2024-12-02 | 3.163.165.30 (ClassC) |
| 2024-12-06 | 3.163.165.11 (ClassC) |
| 2024-12-19 | 3.163.165.115 (ClassC) |
| 2025-01-05 | 18.161.6.115 (ClassC) |
| 2025-03-08 | 18.161.6.64 (ClassC) |
| 2025-04-06 | 18.161.6.33 (ClassC) |
| Date | Domain | IP |
| webmail2.askul.co.jp | 2025-03-01 | 210.152.119.120 |
| spc.askul.co.jp | 2024-10-22 | 18.181.29.170 |
| noah-api.askul.co.jp | 2024-12-27 | 3.33.156.76 |
| dev2.noah-api.askul.co.jp | 2024-12-26 | 15.197.205.191 |
| dev.noah-api.askul.co.jp | 2025-03-15 | 3.33.130.77 |
| cdn.askul.co.jp | 2024-05-24 | 18.161.6.125 |
| www.info.askul.co.jp | 2025-02-20 | 20.43.92.1 |
| mgo.askul.co.jp | 2025-02-17 | 23.102.70.189 |
| ir.askul.co.jp | 2025-04-05 | 20.43.92.1 |
| synchroagent.askul.co.jp | 2024-12-27 | 52.198.70.48 |
| synchromart.askul.co.jp | 2024-07-11 | 13.110.52.8 |
| promotion.synchromart.askul.co.jp | 2024-06-03 | 18.178.24.89 |
| kagusupport.askul.co.jp | 2025-03-05 | 210.188.212.248 |
| www.askul.co.jp | 2025-04-06 | 20.43.92.1 |