What this means
The IEEE assigned the MA-L block 4C0A3D to ADNACOM 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 4C:0A:3D, it is ADNACOM INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 4C0A3D?
4C0A3D is registered to ADNACOM 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. ADNACOM INC.'s block covers 16,777,216 addresses.
What devices use 4C0A3D?
Any network device with a MAC address starting 4C:0A:3D was manufactured by or for ADNACOM INC..