What this means
The IEEE assigned the MA-L block D8638C to Shenzhen Dttek 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 D8:63:8C, it is Shenzhen Dttek Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D8638C?
D8638C is registered to Shenzhen Dttek 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. Shenzhen Dttek Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use D8638C?
Any network device with a MAC address starting D8:63:8C was manufactured by or for Shenzhen Dttek Technology Co., Ltd..