80:77:86:C Cornerstone Technology (Shenzhen) Limited
Every MAC address from 80:77:86:C0:00:00 to 80:77:86:CF:FF:FF belongs to a block the IEEE assigned to Cornerstone Technology (Shenzhen) Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 80:77:86:C belongs to
Written 80:77:86:C, 80-77-86-C or 807786C, depending on the system. Look up a full address.
Prefix
80:77:86:C/28
Organization
Cornerstone Technology (Shenzhen) Limited
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
80:77:86:C0:00:00
Last address
80:77:86:CF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 43D, Unit 1, China Energy Storage Building, High-tech Zone Community, Yuehai Street, Nanshan District Shenzhen Guangdong CN 518000
Parent block
Inside 80:77:86
This MA-M block is carved from the 24-bit block 80:77:86, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.