What this means
The IEEE assigned the MA-M block 8489EC9 to Shenzhen Xtooltech 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 84:89:EC:9, it is Shenzhen Xtooltech Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 8489EC9?
8489EC9 is registered to Shenzhen Xtooltech Co., Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Shenzhen Xtooltech Co., Ltd's block covers 1,048,576 addresses.
What devices use 8489EC9?
Any network device with a MAC address starting 84:89:EC:9 was manufactured by or for Shenzhen Xtooltech Co., Ltd.