What this means
The IEEE assigned the MA-S block 001BC501B to Commonwealth Scientific and Industrial Research Organisation. 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 00:1B:C5:01:B, it is Commonwealth Scientific and Industrial Research Organisation hardware.
Frequently Asked Questions
Who owns MAC prefix 001BC501B?
001BC501B is registered to Commonwealth Scientific and Industrial Research Organisation in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Commonwealth Scientific and Industrial Research Organisation's block covers 4,096 addresses.
What devices use 001BC501B?
Any network device with a MAC address starting 00:1B:C5:01:B was manufactured by or for Commonwealth Scientific and Industrial Research Organisation.