Who owns MAC prefix 4CF737?

4CF737 is registered to SamJi Electronics Co., Ltd in the IEEE MA-L registry.

What devices use 4CF737?

Any network device with a MAC address starting 4C:F7:37 was manufactured by or for SamJi Electronics Co., Ltd.

MA-L · OUI prefix

SamJi Electronics Co., Ltd

Any MAC address starting 4C:F7:37 is registered to SamJi Electronics Co., Ltd in KR.

OUI prefix	4CF737
Vendor	SamJi Electronics Co., Ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	4C:F7:37:00:00:00

What this means

The IEEE assigned the MA-L block 4CF737 to SamJi Electronics Co., Ltd. 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 4C:F7:37, it is SamJi Electronics Co., Ltd hardware.

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