What this means
The IEEE assigned the MA-L block 00007F to LINOTYPE-HELL AG. 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 00:00:7F, it is LINOTYPE-HELL AG hardware.
Frequently Asked Questions
Who owns MAC prefix 00007F?
00007F is registered to LINOTYPE-HELL AG 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. LINOTYPE-HELL AG's block covers 16,777,216 addresses.
What devices use 00007F?
Any network device with a MAC address starting 00:00:7F was manufactured by or for LINOTYPE-HELL AG.