What devices use 30215B?

Any network device with a MAC address starting 30:21:5B was manufactured by or for Shenzhen Ostar Display Electronic Co.,Ltd.

MA-L · OUI prefix

Shenzhen Ostar Display Electronic Co.,Ltd

Q: Who owns MAC prefix 30215B?

30215B is registered to Shenzhen Ostar Display Electronic Co.,Ltd in the IEEE MA-L registry.

Any MAC address starting 30:21:5B is registered to Shenzhen Ostar Display Electronic Co.,Ltd in CN.

OUI prefix	30215B
Vendor	Shenzhen Ostar Display Electronic Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	30:21:5B:00:00:00

What this means

The IEEE assigned the MA-L block 30215B to Shenzhen Ostar Display Electronic 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 30:21:5B, it is Shenzhen Ostar Display Electronic Co.,Ltd hardware.

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