Who owns MAC prefix 6433B59?

6433B59 is registered to Annapurna labs in the IEEE MA-M registry.

What devices use 6433B59?

Any network device with a MAC address starting 64:33:B5:9 was manufactured by or for Annapurna labs.

MA-M · OUI prefix

Annapurna labs

Any MAC address starting 64:33:B5:9 is registered to Annapurna labs in IL.

OUI prefix	6433B59
Vendor	Annapurna labs
Registry	MA-M (28-bit, medium block)
Country	IL
Example MAC	64:33:B5:9:00:00:00

What this means

The IEEE assigned the MA-M block 6433B59 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 64:33:B5:9, 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 »

Look up another MAC