What devices use 001993?

Any network device with a MAC address starting 00:19:93 was manufactured by or for Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea.

MA-L · OUI prefix

Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea

Q: Who owns MAC prefix 001993?

001993 is registered to Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea in the IEEE MA-L registry.

Any MAC address starting 00:19:93 is registered to Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea in CN.

OUI prefix	001993
Vendor	Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	00:19:93:00:00:00

What this means

The IEEE assigned the MA-L block 001993 to Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea. 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 00:19:93, it is Changshu Switchgear MFG. Co.,Ltd. (Former Changshu Switchgea hardware.

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