D4:7C:44:3 OMRON SENTECH CO., LTD.
Every MAC address from D4:7C:44:30:00:00 to D4:7C:44:3F:FF:FF belongs to a block the IEEE assigned to OMRON SENTECH CO., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:7C:44:3 belongs to
Written D4:7C:44:3, D4-7C-44-3 or D47C443, depending on the system. Look up a full address.
Prefix
D4:7C:44:3/28
Organization
OMRON SENTECH CO., LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D4:7C:44:30:00:00
Last address
D4:7C:44:3F:FF:FF
Address type
Globally unique, unicast
Registered address
9F, Ebina Prime Tower, 9-50, Chuo 2 Chome Ebina-City Kanagawa JP 243-0432
Parent block
Inside D4:7C:44
This MA-M block is carved from the 24-bit block D4:7C:44, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.