What this means
The IEEE assigned the MA-L block 0015BD to Group 4 Technology 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 00:15:BD, it is Group 4 Technology Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 0015BD?
0015BD is registered to Group 4 Technology 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. Group 4 Technology Ltd's block covers 16,777,216 addresses.
What devices use 0015BD?
Any network device with a MAC address starting 00:15:BD was manufactured by or for Group 4 Technology Ltd.