What this means
The IEEE assigned the MA-M block ECA7B1D to USU TELECOM INDIA PRIVATE 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 EC:A7:B1:D, it is USU TELECOM INDIA PRIVATE LIMITED hardware.
Frequently Asked Questions
Who owns MAC prefix ECA7B1D?
ECA7B1D is registered to USU TELECOM INDIA PRIVATE LIMITED 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. USU TELECOM INDIA PRIVATE LIMITED's block covers 1,048,576 addresses.
What devices use ECA7B1D?
Any network device with a MAC address starting EC:A7:B1:D was manufactured by or for USU TELECOM INDIA PRIVATE LIMITED.