About Musilab Electronics (DongGuan)Co.,Ltd. MAC Addresses

MAC addresses beginning with 78:99:66: are manufactured by Musilab Electronics (DongGuan)Co.,Ltd.. When you see a device on your network with this OUI prefix, it indicates that the device was manufactured by Musilab Electronics (DongGuan)Co.,Ltd..

The IEEE assigns OUI prefixes to manufacturers to ensure uniqueness in the global networking ecosystem. Musilab Electronics (DongGuan)Co.,Ltd. has been assigned the OUI prefix 789966 (among others) for use in their network devices.

Common Musilab Electronics (DongGuan)Co.,Ltd. Devices

Devices manufactured by Musilab Electronics (DongGuan)Co.,Ltd. that you might encounter on networks include:

• Network interface cards (NICs)
• Routers and switches
• Wireless access points
• IoT devices
• Embedded systems
• And other networking equipment

Identifying Musilab Electronics (DongGuan)Co.,Ltd. Devices on Your Network

To identify Musilab Electronics (DongGuan)Co.,Ltd. devices on your network:

1. Use network scanning tools to list devices on your network
2. Look for MAC addresses starting with any of the OUI prefixes listed in the sidebar
3. Use our MAC address lookup tool to confirm the manufacturer

This can be particularly helpful for network inventory, troubleshooting, and security auditing.

MAC Address Format

A complete MAC address consists of 48 bits (6 bytes) and is typically represented in hexadecimal format with each byte separated by a colon or a hyphen. For Musilab Electronics (DongGuan)Co.,Ltd. devices, the MAC address would look like:

78:99:66:XX:XX:XX

The first three bytes (78:99:66) identify the manufacturer as Musilab Electronics (DongGuan)Co.,Ltd., while the last three bytes are unique to each device.