B4:DF:43:E Shanghai Wellsun New Energy Co.,Ltd.
Every MAC address from B4:DF:43:E0:00:00 to B4:DF:43:EF:FF:FF belongs to a block the IEEE assigned to Shanghai Wellsun New Energy Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:DF:43:E belongs to
Written B4:DF:43:E, B4-DF-43-E or B4DF43E, depending on the system. Look up a full address.
Prefix
B4:DF:43:E/28
Organization
Shanghai Wellsun New Energy Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:DF:43:E0:00:00
Last address
B4:DF:43:EF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 307, 3rd Floor, Building 1, No. 155 Fengxiang Road, Baoshan District, Shanghai City, P.R.China Shanghai CN 201999
Parent block
Inside B4:DF:43
This MA-M block is carved from the 24-bit block B4:DF:43, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.