What this means
The IEEE assigned the MA-L block 743ECB to Gentrice tech. 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 74:3E:CB, it is Gentrice tech hardware.
Frequently Asked Questions
Who owns MAC prefix 743ECB?
743ECB is registered to Gentrice tech 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. Gentrice tech's block covers 16,777,216 addresses.
What devices use 743ECB?
Any network device with a MAC address starting 74:3E:CB was manufactured by or for Gentrice tech.