AC:1D:DF:C Beijing Chunhong Technology Co., Ltd.
Every MAC address from AC:1D:DF:C0:00:00 to AC:1D:DF:CF:FF:FF belongs to a block the IEEE assigned to Beijing Chunhong Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who AC:1D:DF:C belongs to
Written AC:1D:DF:C, AC-1D-DF-C or AC1DDFC, depending on the system. Look up a full address.
Prefix
AC:1D:DF:C/28
Organization
Beijing Chunhong Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
AC:1D:DF:C0:00:00
Last address
AC:1D:DF:CF:FF:FF
Address type
Globally unique, unicast
Registered address
Room1502 Hailong Plaza, Zhongguancun, Haidian, Beijing Beijing CN 100000
Parent block
Inside AC:1D:DF
This MA-M block is carved from the 24-bit block AC:1D:DF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.