A4:4F:3E:D NTT sonority, Inc.
Every MAC address from A4:4F:3E:D0:00:00 to A4:4F:3E:DF:FF:FF belongs to a block the IEEE assigned to NTT sonority, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:4F:3E:D belongs to
Written A4:4F:3E:D, A4-4F-3E-D or A44F3ED, depending on the system. Look up a full address.
Prefix
A4:4F:3E:D/28
Organization
NTT sonority, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A4:4F:3E:D0:00:00
Last address
A4:4F:3E:DF:FF:FF
Address type
Globally unique, unicast
Registered address
3-20-2, Nishishinjuku Shinjuku-ku Tokyo JP 163-1432
Parent block
Inside A4:4F:3E
This MA-M block is carved from the 24-bit block A4:4F:3E, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.