What this means
The IEEE assigned the MA-L block 001B2C to ATRON electronic GmbH. 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:2C, it is ATRON electronic GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 001B2C?
001B2C is registered to ATRON electronic GmbH in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. ATRON electronic GmbH's block covers 16,777,216 addresses.
What devices use 001B2C?
Any network device with a MAC address starting 00:1B:2C was manufactured by or for ATRON electronic GmbH.