Who owns MAC prefix 30B346?

30B346 is registered to CJSC NORSI-TRANS in the IEEE MA-L registry.

What devices use 30B346?

Any network device with a MAC address starting 30:B3:46 was manufactured by or for CJSC NORSI-TRANS.

MA-L · OUI prefix

CJSC NORSI-TRANS

Any MAC address starting 30:B3:46 is registered to CJSC NORSI-TRANS in RU.

OUI prefix	30B346
Vendor	CJSC NORSI-TRANS
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	30:B3:46:00:00:00

What this means

The IEEE assigned the MA-L block 30B346 to CJSC NORSI-TRANS. 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 30:B3:46, it is CJSC NORSI-TRANS hardware.

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