What this means
The IEEE assigned the MA-L block 001C72 to Mayer & Cie GmbH & Co KG. 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 00:1C:72, it is Mayer & Cie GmbH & Co KG hardware.
Frequently Asked Questions
Who owns MAC prefix 001C72?
001C72 is registered to Mayer & Cie GmbH & Co KG 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. Mayer & Cie GmbH & Co KG's block covers 16,777,216 addresses.
What devices use 001C72?
Any network device with a MAC address starting 00:1C:72 was manufactured by or for Mayer & Cie GmbH & Co KG.