What this means
The IEEE assigned the MA-L block EC219F to VidaBox LLC. 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:21:9F, it is VidaBox LLC hardware.
Frequently Asked Questions
Who owns MAC prefix EC219F?
EC219F is registered to VidaBox LLC 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. VidaBox LLC's block covers 16,777,216 addresses.
What devices use EC219F?
Any network device with a MAC address starting EC:21:9F was manufactured by or for VidaBox LLC.