What this means
The IEEE assigned the MA-L block 00804D to CYCLONE MICROSYSTEMS, 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 00:80:4D, it is CYCLONE MICROSYSTEMS, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00804D?
00804D is registered to CYCLONE MICROSYSTEMS, 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. CYCLONE MICROSYSTEMS, INC.'s block covers 16,777,216 addresses.
What devices use 00804D?
Any network device with a MAC address starting 00:80:4D was manufactured by or for CYCLONE MICROSYSTEMS, INC..