What this means

The IEEE assigned the MA-M block 0CBFB4C to ShenZhen Zeal-All Technology 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 0C:BF:B4:C, it is ShenZhen Zeal-All Technology Co.,Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 0CBFB4C?

0CBFB4C is registered to ShenZhen Zeal-All Technology Co.,Ltd in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. ShenZhen Zeal-All Technology Co.,Ltd's block covers 1,048,576 addresses.

What devices use 0CBFB4C?

Any network device with a MAC address starting 0C:BF:B4:C was manufactured by or for ShenZhen Zeal-All Technology Co.,Ltd.