Who owns MAC prefix 748B34?

748B34 is registered to Shanghai Smart System Technology Co., Ltd in the IEEE MA-L registry.

What devices use 748B34?

Any network device with a MAC address starting 74:8B:34 was manufactured by or for Shanghai Smart System Technology Co., Ltd.

MA-L · OUI prefix

Shanghai Smart System Technology Co., Ltd

Any MAC address starting 74:8B:34 is registered to Shanghai Smart System Technology Co., Ltd in CN.

OUI prefix	748B34
Vendor	Shanghai Smart System Technology Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	74:8B:34:00:00:00

What this means

The IEEE assigned the MA-L block 748B34 to Shanghai Smart System 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 74:8B:34, it is Shanghai Smart System Technology Co., Ltd hardware.

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