F4:20:55:E Shenzhen Keyking Technology Limited
Every MAC address from F4:20:55:E0:00:00 to F4:20:55:EF:FF:FF belongs to a block the IEEE assigned to Shenzhen Keyking Technology Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who F4:20:55:E belongs to
Written F4:20:55:E, F4-20-55-E or F42055E, depending on the system. Look up a full address.
Prefix
F4:20:55:E/28
Organization
Shenzhen Keyking Technology Limited
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
F4:20:55:E0:00:00
Last address
F4:20:55:EF:FF:FF
Address type
Globally unique, unicast
Registered address
Floor10, Block B, Keyking Hi-Tech Park, 12th, Shangwei Industrial 1st RD, Guanhu Town, Longhua District ShenZhen GuangDong CN 518110
Parent block
Inside F4:20:55
This MA-M block is carved from the 24-bit block F4:20:55, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.