Who owns MAC prefix 001972?

001972 is registered to Plexus (Xiamen) Co.,ltd. in the IEEE MA-L registry.

What devices use 001972?

Any network device with a MAC address starting 00:19:72 was manufactured by or for Plexus (Xiamen) Co.,ltd..

MA-L · OUI prefix

Plexus (Xiamen) Co.,ltd.

Any MAC address starting 00:19:72 is registered to Plexus (Xiamen) Co.,ltd. in CN.

OUI prefix	001972
Vendor	Plexus (Xiamen) Co.,ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:19:72:00:00:00

What this means

The IEEE assigned the MA-L block 001972 to Plexus (Xiamen) 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 00:19:72, it is Plexus (Xiamen) Co.,ltd. hardware.

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