What this means
The IEEE assigned the MA-S block 8C1F64503 to TUALCOM ELEKTRONIK A.S.. 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:64:50:3, it is TUALCOM ELEKTRONIK A.S. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64503?
8C1F64503 is registered to TUALCOM ELEKTRONIK A.S. 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. TUALCOM ELEKTRONIK A.S.'s block covers 4,096 addresses.
What devices use 8C1F64503?
Any network device with a MAC address starting 8C:1F:64:50:3 was manufactured by or for TUALCOM ELEKTRONIK A.S..