40:2C:76:B Beijing Kuaiyu Electronic Co., Ltd.
Every MAC address from 40:2C:76:B0:00:00 to 40:2C:76:BF:FF:FF belongs to a block the IEEE assigned to Beijing Kuaiyu Electronic Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:2C:76:B belongs to
Written 40:2C:76:B, 40-2C-76-B or 402C76B, depending on the system. Look up a full address.
Prefix
40:2C:76:B/28
Organization
Beijing Kuaiyu Electronic Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
40:2C:76:B0:00:00
Last address
40:2C:76:BF:FF:FF
Address type
Globally unique, unicast
Registered address
Kuaiyu Technologies, Building 11, Yuquan Huigu, Tsinghua Science Park, No. 3 Minzhuang Road, Haidian District, Beijing Beijing CN 100195
Parent block
Inside 40:2C:76
This MA-M block is carved from the 24-bit block 40:2C:76, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.