AC:EF:92:3 JiZhiKang (Beijing) Technology Co., Ltd
Every MAC address from AC:EF:92:30:00:00 to AC:EF:92:3F:FF:FF belongs to a block the IEEE assigned to JiZhiKang (Beijing) Technology Co., Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who AC:EF:92:3 belongs to
Written AC:EF:92:3, AC-EF-92-3 or ACEF923, depending on the system. Look up a full address.
Prefix
AC:EF:92:3/28
Organization
JiZhiKang (Beijing) Technology Co., Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
AC:EF:92:30:00:00
Last address
AC:EF:92:3F:FF:FF
Address type
Globally unique, unicast
Registered address
Room 220B, Building 1, No. 18 Longqing Street, Beijing Economic and Technological Development Zone Beijing CN 100176
Parent block
Inside AC:EF:92
This MA-M block is carved from the 24-bit block AC:EF:92, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.