What this means
The IEEE assigned the MA-L block 688FC9 to Zhuolian (Shenzhen) Communication 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 68:8F:C9, it is Zhuolian (Shenzhen) Communication Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 688FC9?
688FC9 is registered to Zhuolian (Shenzhen) Communication 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. Zhuolian (Shenzhen) Communication Co., Ltd's block covers 16,777,216 addresses.
What devices use 688FC9?
Any network device with a MAC address starting 68:8F:C9 was manufactured by or for Zhuolian (Shenzhen) Communication Co., Ltd.