What this means
The IEEE assigned the MA-L block 00011A to Hoffmann und Burmeister GbR. 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 00:01:1A, it is Hoffmann und Burmeister GbR hardware.
Frequently Asked Questions
Who owns MAC prefix 00011A?
00011A is registered to Hoffmann und Burmeister GbR 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. Hoffmann und Burmeister GbR's block covers 16,777,216 addresses.
What devices use 00011A?
Any network device with a MAC address starting 00:01:1A was manufactured by or for Hoffmann und Burmeister GbR.