| Date | IP Address |
| 2025-02-18 | 18.160.10.8 (ClassC) |
| 2025-12-20 | 3.169.173.70 (ClassC) |
| 2025-12-28 | 3.169.173.81 (ClassC) |
| 2026-02-11 | 3.169.173.119 (ClassC) |
| Date | Domain | IP |
| speed4.syncroom.appservice.yamaha.com | 2025-09-02 | 18.179.65.44 |
| beta-program-bata.syncroom.appservice.yamaha.com | 2024-10-11 | 52.84.162.120 |
| log.syncroom.appservice.yamaha.com | 2025-12-21 | 57.180.130.76 |
| webapi.syncroom.appservice.yamaha.com | 2025-10-13 | 13.113.114.78 |
| ads.syncroom.appservice.yamaha.com | 2025-12-20 | 3.169.173.70 |
| continuo.appservice.yamaha.com | 2024-11-27 | 99.84.66.61 |
| dev-download.dmiapp.appservice.yamaha.com | 2026-02-11 | 3.169.173.79 |