Who owns MAC prefix 549C27?

549C27 is registered to Plasma Cloud Limited in the IEEE MA-L registry.

What devices use 549C27?

Any network device with a MAC address starting 54:9C:27 was manufactured by or for Plasma Cloud Limited.

MA-L · OUI prefix

Plasma Cloud Limited

Any MAC address starting 54:9C:27 is registered to Plasma Cloud Limited in HK.

OUI prefix	549C27
Vendor	Plasma Cloud Limited
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	54:9C:27:00:00:00

What this means

The IEEE assigned the MA-L block 549C27 to Plasma Cloud 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 54:9C:27, it is Plasma Cloud Limited hardware.

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