38:3A:21:4 Dongguan Innovation Technology Co Ltd
Every MAC address from 38:3A:21:40:00:00 to 38:3A:21:4F:FF:FF belongs to a block the IEEE assigned to Dongguan Innovation Technology Co Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:3A:21:4 belongs to
Written 38:3A:21:4, 38-3A-21-4 or 383A214, depending on the system. Look up a full address.
Prefix
38:3A:21:4/28
Organization
Dongguan Innovation Technology Co Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:3A:21:40:00:00
Last address
38:3A:21:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Building B, No.3 Desheng Road, Longbeiling, Tangxia Dongguan City Guangdong Province CN 523715
Parent block
Inside 38:3A:21
This MA-M block is carved from the 24-bit block 38:3A:21, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.