Who owns MAC prefix 5491AF4?

5491AF4 is registered to DDPAI Technology Co.,Ltd in the IEEE MA-M registry.

What devices use 5491AF4?

Any network device with a MAC address starting 54:91:AF:4 was manufactured by or for DDPAI Technology Co.,Ltd.

MA-M · OUI prefix

DDPAI Technology Co.,Ltd

Any MAC address starting 54:91:AF:4 is registered to DDPAI Technology Co.,Ltd in CN.

OUI prefix	5491AF4
Vendor	DDPAI Technology Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	54:91:AF:4:00:00:00

What this means

The IEEE assigned the MA-M block 5491AF4 to DDPAI Technology Co.,Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 54:91:AF:4, it is DDPAI Technology Co.,Ltd hardware.

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