What this means
The IEEE assigned the MA-M block CCE7DE7 to Shanghai Dabuziduo Information and 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 CC:E7:DE:7, it is Shanghai Dabuziduo Information and Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix CCE7DE7?
CCE7DE7 is registered to Shanghai Dabuziduo Information and Technology Co., Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Shanghai Dabuziduo Information and Technology Co., Ltd.'s block covers 1,048,576 addresses.
What devices use CCE7DE7?
Any network device with a MAC address starting CC:E7:DE:7 was manufactured by or for Shanghai Dabuziduo Information and Technology Co., Ltd..