What this means
The IEEE assigned the MA-M block C4A5592 to SHENZHEN ORFA TECH 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 C4:A5:59:2, it is SHENZHEN ORFA TECH CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C4A5592?
C4A5592 is registered to SHENZHEN ORFA TECH 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 ORFA TECH CO., LTD's block covers 1,048,576 addresses.
What devices use C4A5592?
Any network device with a MAC address starting C4:A5:59:2 was manufactured by or for SHENZHEN ORFA TECH CO., LTD.