40:48:FD:B Magenta Labs, Inc.
Every MAC address from 40:48:FD:B0:00:00 to 40:48:FD:BF:FF:FF belongs to a block the IEEE assigned to Magenta Labs, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:48:FD:B belongs to
Written 40:48:FD:B, 40-48-FD-B or 4048FDB, depending on the system. Look up a full address.
Prefix
40:48:FD:B/28
Organization
Magenta Labs, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
40:48:FD:B0:00:00
Last address
40:48:FD:BF:FF:FF
Address type
Globally unique, unicast
Registered address
P.O. BOX 77234 San Francisco CA US 94107
Parent block
Inside 40:48:FD
This MA-M block is carved from the 24-bit block 40:48:FD, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Magenta Labs, Inc.
1 more block registered under the same name.