Who owns MAC prefix 000B03?

000B03 is registered to Taekwang Industrial Co., Ltd in the IEEE MA-L registry.

What devices use 000B03?

Any network device with a MAC address starting 00:0B:03 was manufactured by or for Taekwang Industrial Co., Ltd.

MA-L · OUI prefix

Taekwang Industrial Co., Ltd

Any MAC address starting 00:0B:03 is registered to Taekwang Industrial Co., Ltd in KR.

OUI prefix	000B03
Vendor	Taekwang Industrial Co., Ltd
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	00:0B:03:00:00:00

What this means

The IEEE assigned the MA-L block 000B03 to Taekwang Industrial 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 00:0B:03, it is Taekwang Industrial Co., Ltd hardware.

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