What this means
The IEEE assigned the MA-L block D42787 to Shanghai High-Flying Electronics 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 D4:27:87, it is Shanghai High-Flying Electronics Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D42787?
D42787 is registered to Shanghai High-Flying Electronics Technology Co., Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shanghai High-Flying Electronics Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use D42787?
Any network device with a MAC address starting D4:27:87 was manufactured by or for Shanghai High-Flying Electronics Technology Co., Ltd.