E4:21:50 Shanghai Chint low voltage electrical technology Co.,Ltd.
Every MAC address from E4:21:50:00:00:00 to E4:21:50:FF:FF:FF belongs to a block the IEEE assigned to Shanghai Chint low voltage electrical technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who E4:21:50 belongs to
Written E4:21:50, E4-21-50 or E42150, depending on the system. Look up a full address.
Prefix
E4:21:50
Organization
Shanghai Chint low voltage electrical technology Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
E4:21:50:00:00:00
Last address
E4:21:50:FF:FF:FF
Address type
Globally unique, unicast
Registered address
3857 Sixian Road, Songjiang District, Shanghai Shanghai Shanghai CN 201616