What this means
The IEEE assigned the MA-L block 647366 to Shenzhen Siera 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 64:73:66, it is Shenzhen Siera Technology Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 647366?
647366 is registered to Shenzhen Siera 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. Shenzhen Siera Technology Ltd's block covers 16,777,216 addresses.
What devices use 647366?
Any network device with a MAC address starting 64:73:66 was manufactured by or for Shenzhen Siera Technology Ltd.