38:73:EA:8 Rock Electronic Co., Ltd.
Every MAC address from 38:73:EA:80:00:00 to 38:73:EA:8F:FF:FF belongs to a block the IEEE assigned to Rock Electronic Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:73:EA:8 belongs to
Written 38:73:EA:8, 38-73-EA-8 or 3873EA8, depending on the system. Look up a full address.
Prefix
38:73:EA:8/28
Organization
Rock Electronic Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:73:EA:80:00:00
Last address
38:73:EA:8F:FF:FF
Address type
Globally unique, unicast
Registered address
No. 1 Chuangsheng Rd. shenzhen Guangdong CN 518055
Parent block
Inside 38:73:EA
This MA-M block is carved from the 24-bit block 38:73:EA, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.