What this means
The IEEE assigned the MA-M block 8439BE5 to Neat S.r.l.. 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 84:39:BE:5, it is Neat S.r.l. hardware.
Frequently Asked Questions
Who owns MAC prefix 8439BE5?
8439BE5 is registered to Neat S.r.l. 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. Neat S.r.l.'s block covers 1,048,576 addresses.
What devices use 8439BE5?
Any network device with a MAC address starting 84:39:BE:5 was manufactured by or for Neat S.r.l..