70:E8:43 Beijing C&W Optical Communication Technology Co.,Ltd.
Every MAC address from 70:E8:43:00:00:00 to 70:E8:43:FF:FF:FF belongs to a block the IEEE assigned to Beijing C&W Optical Communication Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:E8:43 belongs to
Written 70:E8:43, 70-E8-43 or 70E843, depending on the system. Look up a full address.
Prefix
70:E8:43
Organization
Beijing C&W Optical Communication Technology Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
70:E8:43:00:00:00
Last address
70:E8:43:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2/F Yufa Plaza, No.19 Xiaoying Beilu, Chaoyang District, Beijing CN 100101