What devices use D4772B?

Any network device with a MAC address starting D4:77:2B was manufactured by or for Nanjing Ztlink Network Technology Co.,Ltd.

MA-L · OUI prefix

Nanjing Ztlink Network Technology Co.,Ltd

Q: Who owns MAC prefix D4772B?

D4772B is registered to Nanjing Ztlink Network Technology Co.,Ltd in the IEEE MA-L registry.

Any MAC address starting D4:77:2B is registered to Nanjing Ztlink Network Technology Co.,Ltd in CN.

OUI prefix	D4772B
Vendor	Nanjing Ztlink Network Technology Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	D4:77:2B:00:00:00

What this means

The IEEE assigned the MA-L block D4772B to Nanjing Ztlink Network 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 D4:77:2B, it is Nanjing Ztlink Network Technology Co.,Ltd hardware.

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