Who owns MAC prefix 943FBB?

943FBB is registered to JSC RPC Istok named after Shokin in the IEEE MA-L registry.

What devices use 943FBB?

Any network device with a MAC address starting 94:3F:BB was manufactured by or for JSC RPC Istok named after Shokin.

MA-L · OUI prefix

JSC RPC Istok named after Shokin

Any MAC address starting 94:3F:BB is registered to JSC RPC Istok named after Shokin in RU.

OUI prefix	943FBB
Vendor	JSC RPC Istok named after Shokin
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	94:3F:BB:00:00:00

What this means

The IEEE assigned the MA-L block 943FBB to JSC RPC Istok named after Shokin. 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 94:3F:BB, it is JSC RPC Istok named after Shokin hardware.

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