What this means
The IEEE assigned the MA-M block 74A235A to CPSpeed 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 74:A2:35:A, it is CPSpeed co., ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 74A235A?
74A235A is registered to CPSpeed 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. CPSpeed co., ltd.'s block covers 1,048,576 addresses.
What devices use 74A235A?
Any network device with a MAC address starting 74:A2:35:A was manufactured by or for CPSpeed co., ltd..