What this means

The IEEE assigned the MA-S block 8C1F64F78 to Ternary Research 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 8C:1F:64:F7:8, it is Ternary Research Corporation hardware.

Frequently Asked Questions

Who owns MAC prefix 8C1F64F78?

8C1F64F78 is registered to Ternary Research Corporation 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. Ternary Research Corporation's block covers 4,096 addresses.

What devices use 8C1F64F78?

Any network device with a MAC address starting 8C:1F:64:F7:8 was manufactured by or for Ternary Research Corporation.