What this means
The IEEE assigned the MA-L block ECA9FA to GUANGDONG GENIUS TECHNOLOGY CO., LTD.. 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:A9:FA, it is GUANGDONG GENIUS TECHNOLOGY CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix ECA9FA?
ECA9FA is registered to GUANGDONG GENIUS TECHNOLOGY CO., LTD. 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. GUANGDONG GENIUS TECHNOLOGY CO., LTD.'s block covers 16,777,216 addresses.
What devices use ECA9FA?
Any network device with a MAC address starting EC:A9:FA was manufactured by or for GUANGDONG GENIUS TECHNOLOGY CO., LTD..