What this means
The IEEE assigned the MA-M block CC1BE01 to Beijing Daotongtianxia 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:1B:E0:1, it is Beijing Daotongtianxia Co.Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix CC1BE01?
CC1BE01 is registered to Beijing Daotongtianxia 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. Beijing Daotongtianxia Co.Ltd.'s block covers 1,048,576 addresses.
What devices use CC1BE01?
Any network device with a MAC address starting CC:1B:E0:1 was manufactured by or for Beijing Daotongtianxia Co.Ltd..