A4:11:63:5 Carbon, Inc.
Every MAC address from A4:11:63:50:00:00 to A4:11:63:5F:FF:FF belongs to a block the IEEE assigned to Carbon, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:11:63:5 belongs to
Written A4:11:63:5, A4-11-63-5 or A411635, depending on the system. Look up a full address.
Prefix
A4:11:63:5/28
Organization
Carbon, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A4:11:63:50:00:00
Last address
A4:11:63:5F:FF:FF
Address type
Globally unique, unicast
Registered address
312 Chestnut St Redwood City CA US 94063
Parent block
Inside A4:11:63
This MA-M block is carved from the 24-bit block A4:11:63, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.