| Date | IP Address |
| 2017-09-09 | 91.194.204.152 (ClassC) |
| 2017-09-27 | 91.194.204.172 (ClassC) |
| 2017-10-20 | 148.253.232.70 (ClassC) |
| 2017-11-18 | 91.194.204.153 (ClassC) |
| 2017-11-19 | 91.194.204.151 (ClassC) |
| 2018-01-20 | 174.35.104.181 (ClassC) |
| 2019-01-28 | 174.35.98.69 (ClassC) |
| 2019-06-21 | 174.35.97.228 (ClassC) |
| 2019-07-11 | 174.35.97.7 (ClassC) |
| 2019-07-12 | 174.35.97.38 (ClassC) |
| 2019-07-14 | 174.35.97.135 (ClassC) |
| 2019-07-14 | 174.35.98.100 (ClassC) |
| 2019-07-15 | 174.35.97.69 (ClassC) |
| 2019-07-17 | 174.35.97.100 (ClassC) |
| 2019-07-19 | 174.35.98.197 (ClassC) |
| 2019-07-29 | 174.35.97.197 (ClassC) |
| 2019-07-29 | 174.35.98.38 (ClassC) |
| 2024-04-25 | 157.185.169.206 (ClassC) |
| 2024-04-30 | 157.185.156.194 (ClassC) |
| 2024-07-12 | 157.185.161.16 (ClassC) |
| 2025-06-25 | 138.113.24.64 (ClassC) |
| 2025-07-17 | 157.185.145.100 (ClassC) |
| 2025-08-08 | 157.185.175.102 (ClassC) |
| Date | Domain | IP |
| ja-jp-image.etudehouse.com | 2024-07-27 | 172.67.21.70 |
| m.etudehouse.com | 2024-04-23 | 157.185.156.194 |
| ja-jp.etudehouse.com | 2025-05-25 | 54.65.199.10 |
| images-kr.etudehouse.com | 2024-08-14 | 157.185.161.16 |
| test.etudehouse.com | 2024-06-23 | 157.185.161.16 |
| www.etudehouse.com | 2024-04-25 | 157.185.169.206 |