What this means
The IEEE assigned the MA-L block 000F52 to YORK Refrigeration, Marine & Controls. 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 00:0F:52, it is YORK Refrigeration, Marine & Controls hardware.
Frequently Asked Questions
Who owns MAC prefix 000F52?
000F52 is registered to YORK Refrigeration, Marine & Controls 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. YORK Refrigeration, Marine & Controls's block covers 16,777,216 addresses.
What devices use 000F52?
Any network device with a MAC address starting 00:0F:52 was manufactured by or for YORK Refrigeration, Marine & Controls.