44:EF:BF China Dragon Technology Limited
Every MAC address from 44:EF:BF:00:00:00 to 44:EF:BF:FF:FF:FF belongs to a block the IEEE assigned to China Dragon Technology Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 44:EF:BF belongs to
Written 44:EF:BF, 44-EF-BF or 44EFBF, depending on the system. Look up a full address.
Prefix
44:EF:BF
Organization
China Dragon Technology Limited
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
44:EF:BF:00:00:00
Last address
44:EF:BF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
B4 Bldg.Haoshan 1st Industry Park, Shenzhen Guangdong CN 518104