F4:90:CB:9 Fractyl Labs
Every MAC address from F4:90:CB:90:00:00 to F4:90:CB:9F:FF:FF belongs to a block the IEEE assigned to Fractyl Labs. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who F4:90:CB:9 belongs to
Written F4:90:CB:9, F4-90-CB-9 or F490CB9, depending on the system. Look up a full address.
Prefix
F4:90:CB:9/28
Organization
Fractyl Labs
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
F4:90:CB:90:00:00
Last address
F4:90:CB:9F:FF:FF
Address type
Globally unique, unicast
Registered address
17 HARTWELL AVE LEXINGTON MA US 02421
Parent block
Inside F4:90:CB
This MA-M block is carved from the 24-bit block F4:90:CB, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.