D4:7B:6B Shanghai Cygnus Semiconductor Co., Ltd.
Every MAC address from D4:7B:6B:00:00:00 to D4:7B:6B:FF:FF:FF belongs to a block the IEEE assigned to Shanghai Cygnus Semiconductor Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:7B:6B belongs to
Written D4:7B:6B, D4-7B-6B or D47B6B, depending on the system. Look up a full address.
Prefix
D4:7B:6B
Organization
Shanghai Cygnus Semiconductor Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:7B:6B:00:00:00
Last address
D4:7B:6B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Rooms 401 and 402, Building 5, 690 Bibo Road, China (Shanghai) Pilot Free Trade Zone Shanghai Shanghai CN 201203