What this means
The IEEE assigned the MA-L block 00201D to KATANA PRODUCTS. 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 00:20:1D, it is KATANA PRODUCTS hardware.
Frequently Asked Questions
Who owns MAC prefix 00201D?
00201D is registered to KATANA PRODUCTS 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. KATANA PRODUCTS's block covers 16,777,216 addresses.
What devices use 00201D?
Any network device with a MAC address starting 00:20:1D was manufactured by or for KATANA PRODUCTS.