What this means
The IEEE assigned the MA-L block 000524 to BTL System (HK) Limited. 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 00:05:24, it is BTL System (HK) Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 000524?
000524 is registered to BTL System (HK) Limited 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. BTL System (HK) Limited's block covers 16,777,216 addresses.
What devices use 000524?
Any network device with a MAC address starting 00:05:24 was manufactured by or for BTL System (HK) Limited.