What this means
The IEEE assigned the MA-L block 1C4C27 to World WLAN Application Alliance. 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 1C:4C:27, it is World WLAN Application Alliance hardware.
Frequently Asked Questions
Who owns MAC prefix 1C4C27?
1C4C27 is registered to World WLAN Application Alliance 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. World WLAN Application Alliance's block covers 16,777,216 addresses.
What devices use 1C4C27?
Any network device with a MAC address starting 1C:4C:27 was manufactured by or for World WLAN Application Alliance.