Who owns MAC prefix 0C5CB52?

0C5CB52 is registered to HongKong Blossom Limited in the IEEE MA-M registry.

What devices use 0C5CB52?

Any network device with a MAC address starting 0C:5C:B5:2 was manufactured by or for HongKong Blossom Limited.

MA-M · OUI prefix

HongKong Blossom Limited

Any MAC address starting 0C:5C:B5:2 is registered to HongKong Blossom Limited in CN.

OUI prefix	0C5CB52
Vendor	HongKong Blossom Limited
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	0C:5C:B5:2:00:00:00

What this means

The IEEE assigned the MA-M block 0C5CB52 to HongKong Blossom 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 0C:5C:B5:2, it is HongKong Blossom Limited hardware.

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