What this means
The IEEE assigned the MA-M block 5823BCC to Yuyao Sunny Optical Intelligence 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 58:23:BC:C, it is Yuyao Sunny Optical Intelligence Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 5823BCC?
5823BCC is registered to Yuyao Sunny Optical Intelligence 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. Yuyao Sunny Optical Intelligence Technology Co., Ltd's block covers 1,048,576 addresses.
What devices use 5823BCC?
Any network device with a MAC address starting 58:23:BC:C was manufactured by or for Yuyao Sunny Optical Intelligence Technology Co., Ltd.