C0:D3:91:D REGULUS CO.,LTD.
Every MAC address from C0:D3:91:D0:00:00 to C0:D3:91:DF:FF:FF belongs to a block the IEEE assigned to REGULUS CO.,LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who C0:D3:91:D belongs to
Written C0:D3:91:D, C0-D3-91-D or C0D391D, depending on the system. Look up a full address.
Prefix
C0:D3:91:D/28
Organization
REGULUS CO.,LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
C0:D3:91:D0:00:00
Last address
C0:D3:91:DF:FF:FF
Address type
Globally unique, unicast
Registered address
Yotsuya Orchid Bldg. 23-3 Daikyo-cho Shinjuku-ku Tokyo JP 160-0015
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.