C0:D3:91:A Alpha Audiotronics, Inc.
Every MAC address from C0:D3:91:A0:00:00 to C0:D3:91:AF:FF:FF belongs to a block the IEEE assigned to Alpha Audiotronics, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who C0:D3:91:A belongs to
Written C0:D3:91:A, C0-D3-91-A or C0D391A, depending on the system. Look up a full address.
Prefix
C0:D3:91:A/28
Organization
Alpha Audiotronics, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
C0:D3:91:A0:00:00
Last address
C0:D3:91:AF:FF:FF
Address type
Globally unique, unicast
Registered address
401 Park Avenue South, Fl. 10 New York NY US 10016
Parent block
Inside C0:D3:91
This MA-M block is carved from the 24-bit block C0:D3:91, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.