Who owns MAC prefix 50FF991?

50FF991 is registered to COYOTE SYSTEM in the IEEE MA-M registry.

What devices use 50FF991?

Any network device with a MAC address starting 50:FF:99:1 was manufactured by or for COYOTE SYSTEM.

MA-M · OUI prefix

COYOTE SYSTEM

Any MAC address starting 50:FF:99:1 is registered to COYOTE SYSTEM in FR.

OUI prefix	50FF991
Vendor	COYOTE SYSTEM
Registry	MA-M (28-bit, medium block)
Country	FR
Example MAC	50:FF:99:1:00:00:00

What this means

The IEEE assigned the MA-M block 50FF991 to COYOTE SYSTEM. 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 50:FF:99:1, it is COYOTE SYSTEM hardware.

Other COYOTE SYSTEM prefixes

COYOTE SYSTEM holds 2 registered blocks in total.

F4E204

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