Who owns MAC prefix 3873EAB?

3873EAB is registered to Shanghai ZoomSmart Technology Co., Ltd. in the IEEE MA-M registry.

What devices use 3873EAB?

Any network device with a MAC address starting 38:73:EA:B was manufactured by or for Shanghai ZoomSmart Technology Co., Ltd..

MA-M · OUI prefix

Shanghai ZoomSmart Technology Co., Ltd.

Any MAC address starting 38:73:EA:B is registered to Shanghai ZoomSmart Technology Co., Ltd. in CN.

OUI prefix	3873EAB
Vendor	Shanghai ZoomSmart Technology Co., Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	38:73:EA:B:00:00:00

What this means

The IEEE assigned the MA-M block 3873EAB to Shanghai ZoomSmart 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 38:73:EA:B, it is Shanghai ZoomSmart Technology Co., Ltd. hardware.

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