What this means
The IEEE assigned the MA-L block C4AAA1 to SUMMIT DEVELOPMENT, spol.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 C4:AA:A1, it is SUMMIT DEVELOPMENT, spol.s r.o. hardware.
Frequently Asked Questions
Who owns MAC prefix C4AAA1?
C4AAA1 is registered to SUMMIT DEVELOPMENT, spol.s r.o. 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. SUMMIT DEVELOPMENT, spol.s r.o.'s block covers 16,777,216 addresses.
What devices use C4AAA1?
Any network device with a MAC address starting C4:AA:A1 was manufactured by or for SUMMIT DEVELOPMENT, spol.s r.o..