E4:4C:C7:4 Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.
Every MAC address from E4:4C:C7:40:00:00 to E4:4C:C7:4F:FF:FF belongs to a block the IEEE assigned to Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who E4:4C:C7:4 belongs to
Written E4:4C:C7:4, E4-4C-C7-4 or E44CC74, depending on the system. Look up a full address.
Prefix
E4:4C:C7:4/28
Organization
Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
E4:4C:C7:40:00:00
Last address
E4:4C:C7:4F:FF:FF
Address type
Globally unique, unicast
Registered address
No. 88, pubin avenue, jiangpu street, pukou district, nanjing city nanjing Jiangsu CN 210000
Parent block
Inside E4:4C:C7
This MA-M block is carved from the 24-bit block E4:4C:C7, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.