What this means
The IEEE assigned the MA-L block 0011DC to Glunz & Jensen. 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 00:11:DC, it is Glunz & Jensen hardware.
Frequently Asked Questions
Who owns MAC prefix 0011DC?
0011DC is registered to Glunz & Jensen 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. Glunz & Jensen's block covers 16,777,216 addresses.
What devices use 0011DC?
Any network device with a MAC address starting 00:11:DC was manufactured by or for Glunz & Jensen.