What this means
The IEEE assigned the MA-M block 2CD141D to Square Inc.. 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 2C:D1:41:D, it is Square Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 2CD141D?
2CD141D is registered to Square Inc. 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. Square Inc.'s block covers 1,048,576 addresses.
What devices use 2CD141D?
Any network device with a MAC address starting 2C:D1:41:D was manufactured by or for Square Inc..