A4:3B:FA:A Plus One Japan Ltd.
Every MAC address from A4:3B:FA:A0:00:00 to A4:3B:FA:AF:FF:FF belongs to a block the IEEE assigned to Plus One Japan Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:3B:FA:A belongs to
Written A4:3B:FA:A, A4-3B-FA-A or A43BFAA, depending on the system. Look up a full address.
Prefix
A4:3B:FA:A/28
Organization
Plus One Japan Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A4:3B:FA:A0:00:00
Last address
A4:3B:FA:AF:FF:FF
Address type
Globally unique, unicast
Registered address
Storia Akasaka 410, Minato-ku Tokyo JP 1080052
Parent block
Inside A4:3B:FA
This MA-M block is carved from the 24-bit block A4:3B:FA, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.