Who owns MAC prefix 001BC509A?

001BC509A is registered to Shenzhen Guang Lian Zhi Tong Limited in the IEEE MA-S registry.

What devices use 001BC509A?

Any network device with a MAC address starting 00:1B:C5:09:A was manufactured by or for Shenzhen Guang Lian Zhi Tong Limited.

MA-S · OUI prefix

Shenzhen Guang Lian Zhi Tong Limited

Any MAC address starting 00:1B:C5:09:A is registered to Shenzhen Guang Lian Zhi Tong Limited in CN.

OUI prefix	001BC509A
Vendor	Shenzhen Guang Lian Zhi Tong Limited
Registry	MA-S (36-bit, small block)
Country	CN
Example MAC	00:1B:C5:09:A:00:00:00

What this means

The IEEE assigned the MA-S block 001BC509A to Shenzhen Guang Lian Zhi Tong Limited. 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 00:1B:C5:09:A, it is Shenzhen Guang Lian Zhi Tong Limited hardware.

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