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.
Frequently Asked Questions
Who owns MAC prefix 001BC509A?
001BC509A is registered to Shenzhen Guang Lian Zhi Tong Limited in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Shenzhen Guang Lian Zhi Tong Limited's block covers 4,096 addresses.
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.