What this means
The IEEE assigned the MA-L block 747E1A to Red Embedded Design 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 74:7E:1A, it is Red Embedded Design Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 747E1A?
747E1A is registered to Red Embedded Design 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. Red Embedded Design Limited's block covers 16,777,216 addresses.
What devices use 747E1A?
Any network device with a MAC address starting 74:7E:1A was manufactured by or for Red Embedded Design Limited.