Who owns MAC prefix B04A39?

B04A39 is registered to Beijing Roborock Technology Co., Ltd. in the IEEE MA-L registry.

What devices use B04A39?

Any network device with a MAC address starting B0:4A:39 was manufactured by or for Beijing Roborock Technology Co., Ltd..

MA-L · OUI prefix

Beijing Roborock Technology Co., Ltd.

Any MAC address starting B0:4A:39 is registered to Beijing Roborock Technology Co., Ltd. in CN.

OUI prefix	B04A39
Vendor	Beijing Roborock Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B0:4A:39:00:00:00

What this means

The IEEE assigned the MA-L block B04A39 to Beijing Roborock Technology Co., 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 B0:4A:39, it is Beijing Roborock Technology Co., Ltd. hardware.

Other Beijing Roborock Technology Co., Ltd. prefixes

Beijing Roborock Technology Co., Ltd. holds 3 registered blocks in total.

249E7D C8C992

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