D4:20:00:5 Monolith Electric?Changzhou?Co.,Ltd.
Every MAC address from D4:20:00:50:00:00 to D4:20:00:5F:FF:FF belongs to a block the IEEE assigned to Monolith Electric?Changzhou?Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:20:00:5 belongs to
Written D4:20:00:5, D4-20-00-5 or D420005, depending on the system. Look up a full address.
Prefix
D4:20:00:5/28
Organization
Monolith Electric?Changzhou?Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D4:20:00:50:00:00
Last address
D4:20:00:5F:FF:FF
Address type
Globally unique, unicast
Registered address
No.8,Huashan Road,Xinbei District Changzhou,Jiangsu,China Changzhou Jiangsu CN 213000
Parent block
Inside D4:20:00
This MA-M block is carved from the 24-bit block D4:20:00, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.