What this means
The IEEE assigned the MA-S block 001BC5030 to OctoGate IT Security Systems GmbH. 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:C5:03:0, it is OctoGate IT Security Systems GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 001BC5030?
001BC5030 is registered to OctoGate IT Security Systems GmbH 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. OctoGate IT Security Systems GmbH's block covers 4,096 addresses.
What devices use 001BC5030?
Any network device with a MAC address starting 00:1B:C5:03:0 was manufactured by or for OctoGate IT Security Systems GmbH.