B0:1F:81:3 Sound United
Every MAC address from B0:1F:81:30:00:00 to B0:1F:81:3F:FF:FF belongs to a block the IEEE assigned to Sound United. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B0:1F:81:3 belongs to
Written B0:1F:81:3, B0-1F-81-3 or B01F813, depending on the system. Look up a full address.
Prefix
B0:1F:81:3/28
Organization
Sound United
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B0:1F:81:30:00:00
Last address
B0:1F:81:3F:FF:FF
Address type
Globally unique, unicast
Registered address
11433 Cronridge Drive Owings Mills Maryland US 21117
Parent block
Inside B0:1F:81
This MA-M block is carved from the 24-bit block B0:1F:81, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.