| Date | IP Address |
| 2016-03-18 | 23.21.169.67 (ClassC) |
| 2023-12-25 | 153.143.226.137 (ClassC) |
| 2026-02-11 | 153.143.226.136 (ClassC) |
| Date | Domain | IP |
| stg-brand-teac.teac.jp | 2025-09-07 | 153.143.226.136 |
| stg-brand-tascam-second.teac.jp | 2025-12-28 | 153.143.226.136 |
| stg-brand-tascam.teac.jp | 2025-09-20 | 153.143.226.136 |
| autodiscover.teac.jp | 2024-06-11 | 52.96.166.88 |
| cms.teac.jp | 2025-09-05 | 153.143.226.136 |
| stg-cms.teac.jp | 2025-09-06 | 153.143.226.136 |
| autodiscover.tms.teac.jp | 2024-08-09 | 52.96.113.200 |