| Date | IP Address |
| 2018-07-20 | 49.212.216.249 (ClassC) |
| 2025-08-01 | 104.199.228.152 (ClassC) |
| 2026-01-20 | 34.102.173.237 (ClassC) |
| Date | Domain | IP |
| recruit.astamuse.co.jp | 2025-05-26 | 35.206.198.38 |
| www.astamuse.co.jp | 2025-05-25 | 35.206.198.38 |
| stg.www.astamuse.co.jp | 2025-08-01 | 104.199.228.152 |