What this means
The IEEE assigned the MA-L block 9C961B to IFTER Jerzy Taczalski. 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 9C:96:1B, it is IFTER Jerzy Taczalski hardware.
Frequently Asked Questions
Who owns MAC prefix 9C961B?
9C961B is registered to IFTER Jerzy Taczalski 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. IFTER Jerzy Taczalski's block covers 16,777,216 addresses.
What devices use 9C961B?
Any network device with a MAC address starting 9C:96:1B was manufactured by or for IFTER Jerzy Taczalski.