Who owns MAC prefix 50FF99E?

50FF99E is registered to Informa LLC in the IEEE MA-M registry.

What devices use 50FF99E?

Any network device with a MAC address starting 50:FF:99:E was manufactured by or for Informa LLC.

MA-M · OUI prefix

Informa LLC

Any MAC address starting 50:FF:99:E is registered to Informa LLC in US.

OUI prefix	50FF99E
Vendor	Informa LLC
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	50:FF:99:E:00:00:00

What this means

The IEEE assigned the MA-M block 50FF99E to Informa LLC. 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:E, it is Informa LLC hardware.

Look up another MAC