What this means
The IEEE assigned the MA-L block 14C21D to Sabtech Industries. 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 14:C2:1D, it is Sabtech Industries hardware.
Frequently Asked Questions
Who owns MAC prefix 14C21D?
14C21D is registered to Sabtech Industries 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. Sabtech Industries's block covers 16,777,216 addresses.
What devices use 14C21D?
Any network device with a MAC address starting 14:C2:1D was manufactured by or for Sabtech Industries.