What this means
The IEEE assigned the MA-L block 549A4C to GUANGDONG HOMECARE 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 54:9A:4C, it is GUANGDONG HOMECARE TECHNOLOGY CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 549A4C?
549A4C is registered to GUANGDONG HOMECARE 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 HOMECARE TECHNOLOGY CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 549A4C?
Any network device with a MAC address starting 54:9A:4C was manufactured by or for GUANGDONG HOMECARE TECHNOLOGY CO.,LTD..