What this means
The IEEE assigned the MA-L block 584C19 to Chongqing Guohong Technology Development Company Limited. 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 58:4C:19, it is Chongqing Guohong Technology Development Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 584C19?
584C19 is registered to Chongqing Guohong Technology Development Company Limited 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. Chongqing Guohong Technology Development Company Limited's block covers 16,777,216 addresses.
What devices use 584C19?
Any network device with a MAC address starting 58:4C:19 was manufactured by or for Chongqing Guohong Technology Development Company Limited.