Who owns MAC prefix 20B37F9?

20B37F9 is registered to Annapurna labs in the IEEE MA-M registry.

What devices use 20B37F9?

Any network device with a MAC address starting 20:B3:7F:9 was manufactured by or for Annapurna labs.

MA-M · OUI prefix

Annapurna labs

Any MAC address starting 20:B3:7F:9 is registered to Annapurna labs in IL.

OUI prefix	20B37F9
Vendor	Annapurna labs
Registry	MA-M (28-bit, medium block)
Country	IL
Example MAC	20:B3:7F:9:00:00:00

What this means

The IEEE assigned the MA-M block 20B37F9 to Annapurna labs. 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 20:B3:7F:9, it is Annapurna labs hardware.

Other Annapurna labs prefixes

Annapurna labs holds 156 registered blocks in total.

0069670 006A5E9 006A5EA 008DF46 04A16F8 04C98B4 04C98B6 0826AE9 08F80D3 0C47A92 0C47A97 0C47A9C all 156 »

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