What this means
The IEEE assigned the MA-M block 4403772 to Exsom Computers LLC. 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 44:03:77:2, it is Exsom Computers LLC hardware.
Frequently Asked Questions
Who owns MAC prefix 4403772?
4403772 is registered to Exsom Computers LLC 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. Exsom Computers LLC's block covers 1,048,576 addresses.
What devices use 4403772?
Any network device with a MAC address starting 44:03:77:2 was manufactured by or for Exsom Computers LLC.