What this means
The IEEE assigned the MA-M block 8489EC1 to Research Electronics International, LLC.. 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:1, it is Research Electronics International, LLC. hardware.
Frequently Asked Questions
Who owns MAC prefix 8489EC1?
8489EC1 is registered to Research Electronics International, LLC. 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. Research Electronics International, LLC.'s block covers 1,048,576 addresses.
What devices use 8489EC1?
Any network device with a MAC address starting 84:89:EC:1 was manufactured by or for Research Electronics International, LLC..