| Date | IP Address |
| 2019-04-24 | 23.10.240.10 (ClassC) |
| 2023-08-25 | 23.222.144.155 (ClassC) |
| 2025-01-19 | 92.123.203.136 (ClassC) |
| 2025-06-07 | 104.90.249.153 (ClassC) |
| 2025-09-20 | 184.26.149.46 (ClassC) |
| 2025-12-27 | 23.196.202.209 (ClassC) |
| 2026-01-16 | 184.28.179.200 (ClassC) |
| Date | Domain | IP |
| image.mail.otsuka-plus1.com | 2023-08-25 | 23.222.144.155 |
| www.otsuka-plus1.com | 2024-06-27 | 204.246.191.6 |