What this means
The IEEE assigned the MA-L block 4C774F to Embedded Wireless Labs. 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:77:4F, it is Embedded Wireless Labs hardware.
Frequently Asked Questions
Who owns MAC prefix 4C774F?
4C774F is registered to Embedded Wireless Labs 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. Embedded Wireless Labs's block covers 16,777,216 addresses.
What devices use 4C774F?
Any network device with a MAC address starting 4C:77:4F was manufactured by or for Embedded Wireless Labs.