What this means
The IEEE assigned the MA-L block 001891 to Zhongshan General K-mate Electronics 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 00:18:91, it is Zhongshan General K-mate Electronics Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 001891?
001891 is registered to Zhongshan General K-mate Electronics 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. Zhongshan General K-mate Electronics Co., Ltd's block covers 16,777,216 addresses.
What devices use 001891?
Any network device with a MAC address starting 00:18:91 was manufactured by or for Zhongshan General K-mate Electronics Co., Ltd.