Who owns MAC prefix 5C2443?

5C2443 is registered to O-Sung Telecom Co., Ltd. in the IEEE MA-L registry.

What devices use 5C2443?

Any network device with a MAC address starting 5C:24:43 was manufactured by or for O-Sung Telecom Co., Ltd..

MA-L · OUI prefix

O-Sung Telecom Co., Ltd.

Any MAC address starting 5C:24:43 is registered to O-Sung Telecom Co., Ltd. in KR.

OUI prefix	5C2443
Vendor	O-Sung Telecom Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	5C:24:43:00:00:00

What this means

The IEEE assigned the MA-L block 5C2443 to O-Sung Telecom 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 5C:24:43, it is O-Sung Telecom Co., Ltd. hardware.

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