54:91:AF:4 DDPAI Technology Co.,Ltd
Every MAC address from 54:91:AF:40:00:00 to 54:91:AF:4F:FF:FF belongs to a block the IEEE assigned to DDPAI Technology Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:91:AF:4 belongs to
Written 54:91:AF:4, 54-91-AF-4 or 5491AF4, depending on the system. Look up a full address.
Prefix
54:91:AF:4/28
Organization
DDPAI Technology Co.,Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:91:AF:40:00:00
Last address
54:91:AF:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Floor 12,Yihua finance building, Nanshan software industry park, Xuefu Rd, Nanshan district Shenzhen Guangdong CN 518000
Parent block
Inside 54:91:AF
This MA-M block is carved from the 24-bit block 54:91:AF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.