84:89:EC:C SHINKAWA LTD.
Every MAC address from 84:89:EC:C0:00:00 to 84:89:EC:CF:FF:FF belongs to a block the IEEE assigned to SHINKAWA LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 84:89:EC:C belongs to
Written 84:89:EC:C, 84-89-EC-C or 8489ECC, depending on the system. Look up a full address.
Prefix
84:89:EC:C/28
Organization
SHINKAWA LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
84:89:EC:C0:00:00
Last address
84:89:EC:CF:FF:FF
Address type
Globally unique, unicast
Registered address
Shinjuku Front Tower 32F, 2-21-1 Kitashinjyuku Shinjuku-ku Tokyo JP 169-0074
Parent block
Inside 84:89:EC
This MA-M block is carved from the 24-bit block 84:89:EC, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.