50:0B:91:9 Machfu, Inc.
Every MAC address from 50:0B:91:90:00:00 to 50:0B:91:9F:FF:FF belongs to a block the IEEE assigned to Machfu, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:0B:91:9 belongs to
Written 50:0B:91:9, 50-0B-91-9 or 500B919, depending on the system. Look up a full address.
Prefix
50:0B:91:9/28
Organization
Machfu, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
50:0B:91:90:00:00
Last address
50:0B:91:9F:FF:FF
Address type
Globally unique, unicast
Registered address
20271 Goldenrod Ln Germantown MD US 20876
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.