Who owns MAC prefix B4430D?

B4430D is registered to Broadlink Pty Ltd in the IEEE MA-L registry.

What devices use B4430D?

Any network device with a MAC address starting B4:43:0D was manufactured by or for Broadlink Pty Ltd.

MA-L · OUI prefix

Broadlink Pty Ltd

Any MAC address starting B4:43:0D is registered to Broadlink Pty Ltd in CN.

OUI prefix	B4430D
Vendor	Broadlink Pty Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B4:43:0D:00:00:00

What this means

The IEEE assigned the MA-L block B4430D to Broadlink Pty Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting B4:43:0D, it is Broadlink Pty Ltd hardware.

Look up another MAC