74:19:F8:B IDEXX Laboratories, Inc
Every MAC address from 74:19:F8:B0:00:00 to 74:19:F8:BF:FF:FF belongs to a block the IEEE assigned to IDEXX Laboratories, Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 74:19:F8:B belongs to
Written 74:19:F8:B, 74-19-F8-B or 7419F8B, depending on the system. Look up a full address.
Prefix
74:19:F8:B/28
Organization
IDEXX Laboratories, Inc
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
74:19:F8:B0:00:00
Last address
74:19:F8:BF:FF:FF
Address type
Globally unique, unicast
Registered address
1 IDEXX Drive Westbrook ME US 04092
Parent block
Inside 74:19:F8
This MA-M block is carved from the 24-bit block 74:19:F8, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.