What this means
The IEEE assigned the MA-L block 000C4A to Cygnus Microsystems (P) Limited. 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 00:0C:4A, it is Cygnus Microsystems (P) Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 000C4A?
000C4A is registered to Cygnus Microsystems (P) Limited 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. Cygnus Microsystems (P) Limited's block covers 16,777,216 addresses.
What devices use 000C4A?
Any network device with a MAC address starting 00:0C:4A was manufactured by or for Cygnus Microsystems (P) Limited.