What this means
The IEEE assigned the MA-L block 00CBB4 to SHENZHEN ATEKO PHOTOELECTRICITY 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 00:CB:B4, it is SHENZHEN ATEKO PHOTOELECTRICITY CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 00CBB4?
00CBB4 is registered to SHENZHEN ATEKO PHOTOELECTRICITY 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. SHENZHEN ATEKO PHOTOELECTRICITY CO.,LTD's block covers 16,777,216 addresses.
What devices use 00CBB4?
Any network device with a MAC address starting 00:CB:B4 was manufactured by or for SHENZHEN ATEKO PHOTOELECTRICITY CO.,LTD.