What this means
The IEEE assigned the MA-L block 00D05C to KATHREIN TechnoTrend 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:D0:5C, it is KATHREIN TechnoTrend GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 00D05C?
00D05C is registered to KATHREIN TechnoTrend 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. KATHREIN TechnoTrend GmbH's block covers 16,777,216 addresses.
What devices use 00D05C?
Any network device with a MAC address starting 00:D0:5C was manufactured by or for KATHREIN TechnoTrend GmbH.