What this means
The IEEE assigned the MA-L block DCFBB8 to Meizhou Guo Wei Electronics 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 DC:FB:B8, it is Meizhou Guo Wei Electronics Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix DCFBB8?
DCFBB8 is registered to Meizhou Guo Wei Electronics 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. Meizhou Guo Wei Electronics Co., Ltd's block covers 16,777,216 addresses.
What devices use DCFBB8?
Any network device with a MAC address starting DC:FB:B8 was manufactured by or for Meizhou Guo Wei Electronics Co., Ltd.