What this means
The IEEE assigned the MA-L block EC2C49 to NakaoLab, The University of Tokyo. 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 EC:2C:49, it is NakaoLab, The University of Tokyo hardware.
Frequently Asked Questions
Who owns MAC prefix EC2C49?
EC2C49 is registered to NakaoLab, The University of Tokyo 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. NakaoLab, The University of Tokyo's block covers 16,777,216 addresses.
What devices use EC2C49?
Any network device with a MAC address starting EC:2C:49 was manufactured by or for NakaoLab, The University of Tokyo.