Who owns MAC prefix 000524?

000524 is registered to BTL System (HK) Limited in the IEEE MA-L registry.

What devices use 000524?

Any network device with a MAC address starting 00:05:24 was manufactured by or for BTL System (HK) Limited.

MA-L · OUI prefix

BTL System (HK) Limited

Any MAC address starting 00:05:24 is registered to BTL System (HK) Limited in HK.

OUI prefix	000524
Vendor	BTL System (HK) Limited
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	00:05:24:00:00:00

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.

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