What this means
The IEEE assigned the MA-L block 4CC681 to Shenzhen Aisat Electronic 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 4C:C6:81, it is Shenzhen Aisat Electronic Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 4CC681?
4CC681 is registered to Shenzhen Aisat Electronic 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 Aisat Electronic Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 4CC681?
Any network device with a MAC address starting 4C:C6:81 was manufactured by or for Shenzhen Aisat Electronic Co., Ltd..