| Date | IP Address |
| 2023-11-01 | 52.192.81.59 (ClassC) |
| 2024-07-24 | 18.178.36.183 (ClassC) |
| 2024-08-26 | 18.182.240.169 (ClassC) |
| 2024-11-25 | 54.178.149.213 (ClassC) |
| 2025-01-09 | 35.77.129.86 (ClassC) |
| 2025-01-21 | 35.75.197.41 (ClassC) |
| 2025-04-14 | 54.92.53.92 (ClassC) |
| 2025-04-21 | 3.115.55.229 (ClassC) |
| 2026-01-21 | 13.115.83.26 (ClassC) |
| Date | Domain | IP |
| api.entrenet.jp | 2024-06-02 | 52.198.128.101 |
| mail.entrenet.jp | 2025-07-02 | 8.23.247.244 |
| dev3-csp.entrenet.jp | 2026-01-16 | 3.115.124.7 |
| www.entrenet.jp | 2023-11-01 | 52.192.81.59 |