Who owns MAC prefix 00139A?

00139A is registered to K-ubique ID Corp. in the IEEE MA-L registry.

What devices use 00139A?

Any network device with a MAC address starting 00:13:9A was manufactured by or for K-ubique ID Corp..

MA-L · OUI prefix

K-ubique ID Corp.

Any MAC address starting 00:13:9A is registered to K-ubique ID Corp. in JP.

OUI prefix	00139A
Vendor	K-ubique ID Corp.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:13:9A:00:00:00

What this means

The IEEE assigned the MA-L block 00139A to K-ubique ID Corp.. 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 00:13:9A, it is K-ubique ID Corp. hardware.

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