What this means
The IEEE assigned the MA-M block C48272D to Posital B.V.. 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 C4:82:72:D, it is Posital B.V. hardware.
Frequently Asked Questions
Who owns MAC prefix C48272D?
C48272D is registered to Posital B.V. 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. Posital B.V.'s block covers 1,048,576 addresses.
What devices use C48272D?
Any network device with a MAC address starting C4:82:72:D was manufactured by or for Posital B.V..