What this means
The IEEE assigned the MA-M block EC5BCD1 to Ingersoll Rand. 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 EC:5B:CD:1, it is Ingersoll Rand hardware.
Frequently Asked Questions
Who owns MAC prefix EC5BCD1?
EC5BCD1 is registered to Ingersoll Rand 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. Ingersoll Rand's block covers 1,048,576 addresses.
What devices use EC5BCD1?
Any network device with a MAC address starting EC:5B:CD:1 was manufactured by or for Ingersoll Rand.