38:B8:EB:D Yellowbrick Data, Inc.
Every MAC address from 38:B8:EB:D0:00:00 to 38:B8:EB:DF:FF:FF belongs to a block the IEEE assigned to Yellowbrick Data, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:B8:EB:D belongs to
Written 38:B8:EB:D, 38-B8-EB-D or 38B8EBD, depending on the system. Look up a full address.
Prefix
38:B8:EB:D/28
Organization
Yellowbrick Data, Inc.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
38:B8:EB:D0:00:00
Last address
38:B8:EB:DF:FF:FF
Address type
Globally unique, unicast
Registered address
250 Cambridge Av., Suite 201 Palo Alto CA US 94306
Parent block
Inside 38:B8:EB
This MA-M block is carved from the 24-bit block 38:B8:EB, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.