What this means
The IEEE assigned the MA-L block 0481AE to Clack Corporation. 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 04:81:AE, it is Clack Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 0481AE?
0481AE is registered to Clack Corporation 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. Clack Corporation's block covers 16,777,216 addresses.
What devices use 0481AE?
Any network device with a MAC address starting 04:81:AE was manufactured by or for Clack Corporation.