50:0B:91:0 Igor, Inc.
Every MAC address from 50:0B:91:00:00:00 to 50:0B:91:0F:FF:FF belongs to a block the IEEE assigned to Igor, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:0B:91:0 belongs to
Written 50:0B:91:0, 50-0B-91-0 or 500B910, depending on the system. Look up a full address.
Prefix
50:0B:91:0/28
Organization
Igor, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:0B:91:00:00:00
Last address
50:0B:91:0F:FF:FF
Address type
Globally unique, unicast
Registered address
5619 NW 86th St. Johnston IA US 50131
Parent block
Inside 50:0B:91
This MA-M block is carved from the 24-bit block 50:0B:91, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.