84:11:C2:1 Beijing Dayu Technology Co., Ltd.
Every MAC address from 84:11:C2:10:00:00 to 84:11:C2:1F:FF:FF belongs to a block the IEEE assigned to Beijing Dayu Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 84:11:C2:1 belongs to
Written 84:11:C2:1, 84-11-C2-1 or 8411C21, depending on the system. Look up a full address.
Prefix
84:11:C2:1/28
Organization
Beijing Dayu Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
84:11:C2:10:00:00
Last address
84:11:C2:1F:FF:FF
Address type
Globally unique, unicast
Registered address
11B-660, Building 13, Wangjing Xiyuan, Chaoyang Beijing CN 100000
Parent block
Inside 84:11:C2
This MA-M block is carved from the 24-bit block 84:11:C2, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.