What this means
The IEEE assigned the MA-M block C0D391B to Celliber Technologies Pvt 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 C0:D3:91:B, it is Celliber Technologies Pvt Limited hardware.
Frequently Asked Questions
Who owns MAC prefix C0D391B?
C0D391B is registered to Celliber Technologies Pvt 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. Celliber Technologies Pvt Limited's block covers 1,048,576 addresses.
What devices use C0D391B?
Any network device with a MAC address starting C0:D3:91:B was manufactured by or for Celliber Technologies Pvt Limited.