Who owns MAC prefix 001B01?

001B01 is registered to Applied Radio Technologies in the IEEE MA-L registry.

What devices use 001B01?

Any network device with a MAC address starting 00:1B:01 was manufactured by or for Applied Radio Technologies.

MA-L · OUI prefix

Applied Radio Technologies

Any MAC address starting 00:1B:01 is registered to Applied Radio Technologies.

OUI prefix	001B01
Vendor	Applied Radio Technologies
Registry	MA-L (24-bit, large block)
Example MAC	00:1B:01:00:00:00

What this means

The IEEE assigned the MA-L block 001B01 to Applied Radio Technologies. 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 00:1B:01, it is Applied Radio Technologies hardware.

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