What this means
The IEEE assigned the MA-M block 7425843 to alt digital s.r.o.. 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 74:25:84:3, it is alt digital s.r.o. hardware.
Frequently Asked Questions
Who owns MAC prefix 7425843?
7425843 is registered to alt digital s.r.o. 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. alt digital s.r.o.'s block covers 1,048,576 addresses.
What devices use 7425843?
Any network device with a MAC address starting 74:25:84:3 was manufactured by or for alt digital s.r.o..