Cornerstone Technology (Shenzhen) Limited

MAC address prefix 80:77:86:C is registered to Cornerstone Technology (Shenzhen) Limited, located at Room 43DUnit 1China Energy Storage BuildingHigh-tech Zone CommunityYuehai StreetNanshan DistrictShenzhen Guangdong 518000CN.

This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses

The prefix was registered on 06 January 2026, and no subsequent updates have been recorded.

OUI: 80:77:86:C

Vendor name: Cornerstone Technology (Shenzhen) Limited

Address:

Room 43D
Unit 1
China Energy Storage Building
High-tech Zone Community
Yuehai Street
Nanshan District
Shenzhen Guangdong 518000
CN.

Assignment Type MA-M

Mac Address Block Medium. Number of address 2^20 (~1 Million)

Initial registration: 06 January 2026

MAC Address Vendor Country CN map