What this means
The IEEE assigned the MA-L block 54E7D5 to Sun Cupid Technology (HK) 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 54:E7:D5, it is Sun Cupid Technology (HK) LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 54E7D5?
54E7D5 is registered to Sun Cupid Technology (HK) 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. Sun Cupid Technology (HK) LTD's block covers 16,777,216 addresses.
What devices use 54E7D5?
Any network device with a MAC address starting 54:E7:D5 was manufactured by or for Sun Cupid Technology (HK) LTD.