What this means
The IEEE assigned the MA-L block 0022D8 to Shenzhen GST Security and Safety Technology 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 00:22:D8, it is Shenzhen GST Security and Safety Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 0022D8?
0022D8 is registered to Shenzhen GST Security and Safety Technology 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. Shenzhen GST Security and Safety Technology Limited's block covers 16,777,216 addresses.
What devices use 0022D8?
Any network device with a MAC address starting 00:22:D8 was manufactured by or for Shenzhen GST Security and Safety Technology Limited.