What devices use 1CA0EF5?

Any network device with a MAC address starting 1C:A0:EF:5 was manufactured by or for Nanjing Bilin Intelligent Identification Technology Co.,Ltd.

MA-M · OUI prefix

Nanjing Bilin Intelligent Identification Technology Co.,Ltd

Q: Who owns MAC prefix 1CA0EF5?

1CA0EF5 is registered to Nanjing Bilin Intelligent Identification Technology Co.,Ltd in the IEEE MA-M registry.

Any MAC address starting 1C:A0:EF:5 is registered to Nanjing Bilin Intelligent Identification Technology Co.,Ltd in CN.

OUI prefix	1CA0EF5
Vendor	Nanjing Bilin Intelligent Identification Technology Co.,Ltd
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	1C:A0:EF:5:00:00:00

What this means

The IEEE assigned the MA-M block 1CA0EF5 to Nanjing Bilin Intelligent Identification 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 1C:A0:EF:5, it is Nanjing Bilin Intelligent Identification Technology Co.,Ltd hardware.

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