What this means
The IEEE assigned the MA-L block D48409 to SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES 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 D4:84:09, it is SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix D48409?
D48409 is registered to SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES 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. SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD.'s block covers 16,777,216 addresses.
What devices use D48409?
Any network device with a MAC address starting D4:84:09 was manufactured by or for SHENZHEN MERCURY COMMUNICATION TECHNOLOGIES CO.,LTD..