Who owns MAC prefix B40B44?

B40B44 is registered to Smartisan Technology Co., Ltd. in the IEEE MA-L registry.

What devices use B40B44?

Any network device with a MAC address starting B4:0B:44 was manufactured by or for Smartisan Technology Co., Ltd..

MA-L · OUI prefix

Smartisan Technology Co., Ltd.

Any MAC address starting B4:0B:44 is registered to Smartisan Technology Co., Ltd. in CN.

OUI prefix	B40B44
Vendor	Smartisan Technology Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	B4:0B:44:00:00:00

What this means

The IEEE assigned the MA-L block B40B44 to Smartisan 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 B4:0B:44, it is Smartisan Technology Co., Ltd. hardware.

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