What this means
The IEEE assigned the MA-S block 001BC5037 to ITW Reyflex North America. 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:C5:03:7, it is ITW Reyflex North America hardware.
Frequently Asked Questions
Who owns MAC prefix 001BC5037?
001BC5037 is registered to ITW Reyflex North America 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. ITW Reyflex North America's block covers 4,096 addresses.
What devices use 001BC5037?
Any network device with a MAC address starting 00:1B:C5:03:7 was manufactured by or for ITW Reyflex North America.