What this means
The IEEE assigned the MA-L block C40142 to MaxMedia Technology 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 C4:01:42, it is MaxMedia Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix C40142?
C40142 is registered to MaxMedia Technology 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. MaxMedia Technology Limited's block covers 16,777,216 addresses.
What devices use C40142?
Any network device with a MAC address starting C4:01:42 was manufactured by or for MaxMedia Technology Limited.