What this means
The IEEE assigned the MA-L block 803428 to Microchip Technology Inc.. 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 80:34:28, it is Microchip Technology Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 803428?
803428 is registered to Microchip Technology Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Microchip Technology Inc.'s block covers 16,777,216 addresses.
What devices use 803428?
Any network device with a MAC address starting 80:34:28 was manufactured by or for Microchip Technology Inc..