8C:1F:64:1D:5 Beijing Diwei Shuangxing Communication Technology Co., Ltd.
Every MAC address from 8C:1F:64:1D:50:00 to 8C:1F:64:1D:5F:FF belongs to a block the IEEE assigned to Beijing Diwei Shuangxing Communication Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:1D:5 belongs to
Written 8C:1F:64:1D:5, 8C-1F-64-1D-5 or 8C1F641D5, depending on the system. Look up a full address.
Prefix
8C:1F:64:1D:5/36
Organization
Beijing Diwei Shuangxing Communication Technology Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:1D:50:00
Last address
8C:1F:64:1D:5F:FF
Address type
Globally unique, unicast
Registered address
3rd Floor, Building 19, Guanghua Pioneer Park, No. 18, Anningzhuang East Road, Beijing Haidian District CN 100085
Parent block
Inside 8C:1F:64
This MA-S block is carved from the 24-bit block 8C:1F:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.