Please check the following methods.

Windows

1. [Right-click on the start screen][All applications][Windows system tool][Command prompt]
2. Input "ipconfig /all" and press Enter key.
3. Confirm "IPv4 address(IPv4 address)".

macOS

1. Choose [Apple mark][System environment setting]
2. Click [Internet and Network][Network]
3. Confirm "IP Address".

iPadiPhone

1. Tap [Settings]
2. Tap [General][About]
3. Confirm "Wi-Fi Address"

Android

1. Tap [Settings]
2. Tap [About phone]
3. Confirm "Device Wi-Fi MAC address"