What this means
The IEEE assigned the MA-L block 502DBB to GD Midea Air-Conditioning Equipment 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 50:2D:BB, it is GD Midea Air-Conditioning Equipment Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 502DBB?
502DBB is registered to GD Midea Air-Conditioning Equipment 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. GD Midea Air-Conditioning Equipment Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 502DBB?
Any network device with a MAC address starting 50:2D:BB was manufactured by or for GD Midea Air-Conditioning Equipment Co.,Ltd..