8C:1F:64:EF:C LonTen Technology（BeiJing）Co.,LTD.
Every MAC address from 8C:1F:64:EF:C0:00 to 8C:1F:64:EF:CF:FF belongs to a block the IEEE assigned to LonTen Technology（BeiJing）Co.,LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:EF:C belongs to
Written 8C:1F:64:EF:C, 8C-1F-64-EF-C or 8C1F64EFC, depending on the system. Look up a full address.
Prefix
8C:1F:64:EF:C/36
Organization
LonTen Technology（BeiJing）Co.,LTD.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:EF:C0:00
Last address
8C:1F:64:EF:CF:FF
Address type
Globally unique, unicast
Registered address
No. 211, 2nd Floor, Building 2, No. 10, Huiwan Road, Huirongguan Town, Changping District, Beijing Shenzhen CN 102200
Parent block
Inside 8C:1F:64
This MA-S block is carved from the 24-bit block 8C:1F:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.