74:F8:DB:2 Shenzhen Ruishi Information Technology Co.,Ltd.
Every MAC address from 74:F8:DB:20:00:00 to 74:F8:DB:2F:FF:FF belongs to a block the IEEE assigned to Shenzhen Ruishi Information Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 74:F8:DB:2 belongs to
Written 74:F8:DB:2, 74-F8-DB-2 or 74F8DB2, depending on the system. Look up a full address.
Prefix
74:F8:DB:2/28
Organization
Shenzhen Ruishi Information Technology Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
74:F8:DB:20:00:00
Last address
74:F8:DB:2F:FF:FF
Address type
Globally unique, unicast
Registered address
9G,Building A,Nanyuemingzhu Buliding,No.2322, Houhai Avenue,Nanshan District Shenzhen Guangdong CN 518062
Parent block
Inside 74:F8:DB
This MA-M block is carved from the 24-bit block 74:F8:DB, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.