What this means
The IEEE assigned the MA-L block 001C7C to PERQ SYSTEMS CORPORATION. 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 00:1C:7C, it is PERQ SYSTEMS CORPORATION hardware.
Frequently Asked Questions
Who owns MAC prefix 001C7C?
001C7C is registered to PERQ SYSTEMS CORPORATION in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. PERQ SYSTEMS CORPORATION's block covers 16,777,216 addresses.
What devices use 001C7C?
Any network device with a MAC address starting 00:1C:7C was manufactured by or for PERQ SYSTEMS CORPORATION.