| Date | IP Address |
| 2023-09-15 | 52.198.196.11 (ClassC) |
| 2024-10-04 | 18.177.254.181 (ClassC) |
| 2025-02-03 | 54.199.226.127 (ClassC) |
| 2025-08-10 | 52.68.63.80 (ClassC) |
| 2025-08-17 | 52.196.113.10 (ClassC) |
| 2025-09-07 | 35.79.238.226 (ClassC) |
| 2025-10-24 | 52.194.14.16 (ClassC) |
| Date | Domain | IP |
| corporate.sakaseru.jp | 2025-07-30 | 35.75.187.218 |
| www.corporate.sakaseru.jp | 2025-09-07 | 13.114.46.227 |
| www.sakaseru.jp | 2025-08-17 | 57.182.194.143 |