What this means
The IEEE assigned the MA-S block 001BC5089 to SIGNATURE CONTROL SYSTEMS, INC.. 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:C5:08:9, it is SIGNATURE CONTROL SYSTEMS, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 001BC5089?
001BC5089 is registered to SIGNATURE CONTROL SYSTEMS, INC. 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. SIGNATURE CONTROL SYSTEMS, INC.'s block covers 4,096 addresses.
What devices use 001BC5089?
Any network device with a MAC address starting 00:1B:C5:08:9 was manufactured by or for SIGNATURE CONTROL SYSTEMS, INC..