What this means
The IEEE assigned the MA-S block 70B3D569D to JPEmbedded Mazan Filipek Sp. J.. 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 70:B3:D5:69:D, it is JPEmbedded Mazan Filipek Sp. J. hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D569D?
70B3D569D is registered to JPEmbedded Mazan Filipek Sp. J. 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. JPEmbedded Mazan Filipek Sp. J.'s block covers 4,096 addresses.
What devices use 70B3D569D?
Any network device with a MAC address starting 70:B3:D5:69:D was manufactured by or for JPEmbedded Mazan Filipek Sp. J..