D4:7C:44:5 LS Communication Co.,Ltd.
Every MAC address from D4:7C:44:50:00:00 to D4:7C:44:5F:FF:FF belongs to a block the IEEE assigned to LS Communication Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:7C:44:5 belongs to
Written D4:7C:44:5, D4-7C-44-5 or D47C445, depending on the system. Look up a full address.
Prefix
D4:7C:44:5/28
Organization
LS Communication Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D4:7C:44:50:00:00
Last address
D4:7C:44:5F:FF:FF
Address type
Globally unique, unicast
Registered address
LS Bldg., Hwachang-ro, 95(Seoksoo-dong), Manan-gu Anyang-city Gyeonggi-do KR 13905
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.