38:3A:21:6 Shenzhen Smart-core Technology co., Ltd.
Every MAC address from 38:3A:21:60:00:00 to 38:3A:21:6F:FF:FF belongs to a block the IEEE assigned to Shenzhen Smart-core Technology co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:3A:21:6 belongs to
Written 38:3A:21:6, 38-3A-21-6 or 383A216, depending on the system. Look up a full address.
Prefix
38:3A:21:6/28
Organization
Shenzhen Smart-core Technology co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:3A:21:60:00:00
Last address
38:3A:21:6F:FF:FF
Address type
Globally unique, unicast
Registered address
16/F., Finance & Technology Building, No. 11 Keyuan Road, Nanshan Dist. Shenzhen Guangdong CN 518057
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.