Who owns MAC prefix 384B5B?

384B5B is registered to ZTRON TECHNOLOGY LIMITED in the IEEE MA-L registry.

What devices use 384B5B?

Any network device with a MAC address starting 38:4B:5B was manufactured by or for ZTRON TECHNOLOGY LIMITED.

MA-L · OUI prefix

ZTRON TECHNOLOGY LIMITED

Any MAC address starting 38:4B:5B is registered to ZTRON TECHNOLOGY LIMITED in CN.

OUI prefix	384B5B
Vendor	ZTRON TECHNOLOGY LIMITED
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	38:4B:5B:00:00:00

What this means

The IEEE assigned the MA-L block 384B5B to ZTRON TECHNOLOGY LIMITED. 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 38:4B:5B, it is ZTRON TECHNOLOGY LIMITED hardware.

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