Who owns MAC prefix 002379?

002379 is registered to Union Business Machines Co. Ltd. in the IEEE MA-L registry.

What devices use 002379?

Any network device with a MAC address starting 00:23:79 was manufactured by or for Union Business Machines Co. Ltd..

MA-L · OUI prefix

Union Business Machines Co. Ltd.

Any MAC address starting 00:23:79 is registered to Union Business Machines Co. Ltd. in HK.

OUI prefix	002379
Vendor	Union Business Machines Co. Ltd.
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	00:23:79:00:00:00

What this means

The IEEE assigned the MA-L block 002379 to Union Business Machines 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 00:23:79, it is Union Business Machines Co. Ltd. hardware.

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