What this means
The IEEE assigned the MA-M block 7878350 to ATsens. 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 78:78:35:0, it is ATsens hardware.
Frequently Asked Questions
Who owns MAC prefix 7878350?
7878350 is registered to ATsens 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. ATsens's block covers 1,048,576 addresses.
What devices use 7878350?
Any network device with a MAC address starting 78:78:35:0 was manufactured by or for ATsens.