A4:44:D1 Wingtech Group (HongKong）Limited
Every MAC address from A4:44:D1:00:00:00 to A4:44:D1:FF:FF:FF belongs to a block the IEEE assigned to Wingtech Group (HongKong）Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:44:D1 belongs to
Written A4:44:D1, A4-44-D1 or A444D1, depending on the system. Look up a full address.
Prefix
A4:44:D1
Organization
Wingtech Group (HongKong）Limited
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:44:D1:00:00:00
Last address
A4:44:D1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
FLAT/RM 1903 19/F PODIUM PLAZA 5HANOI ROAD TSIM SHA TSUI Hong Kong Hong Kong HK 999077