What this means
The IEEE assigned the MA-S block 8C1F64DEB to PXM Marek Zupnik spolka komandytowa. 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:DE:B, it is PXM Marek Zupnik spolka komandytowa hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64DEB?
8C1F64DEB is registered to PXM Marek Zupnik spolka komandytowa 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. PXM Marek Zupnik spolka komandytowa's block covers 4,096 addresses.
What devices use 8C1F64DEB?
Any network device with a MAC address starting 8C:1F:64:DE:B was manufactured by or for PXM Marek Zupnik spolka komandytowa.