| Date | IP Address |
| 2019-08-10 | 23.54.33.189 (ClassC) |
| 2024-06-01 | 104.18.10.62 (ClassC) |
| 2024-08-09 | 104.18.11.62 (ClassC) |
| 2024-11-25 | 104.18.32.13 (ClassC) |
| 2024-12-28 | 172.64.155.243 (ClassC) |
| Date | Domain | IP |
| v2.firmware.denon.jp | 2024-10-20 | 44.205.171.32 |
| www.denon.jp | 2024-06-01 | 104.18.10.62 |