F4:A4:54:7 Advanced Mechanical Technology, Inc. d/b/a AMTI
Every MAC address from F4:A4:54:70:00:00 to F4:A4:54:7F:FF:FF belongs to a block the IEEE assigned to Advanced Mechanical Technology, Inc. d/b/a AMTI. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who F4:A4:54:7 belongs to
Written F4:A4:54:7, F4-A4-54-7 or F4A4547, depending on the system. Look up a full address.
Prefix
F4:A4:54:7/28
Organization
Advanced Mechanical Technology, Inc. d/b/a AMTI
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
F4:A4:54:70:00:00
Last address
F4:A4:54:7F:FF:FF
Address type
Globally unique, unicast
Registered address
176 Waltham Street Watertown MA US 02472
Parent block
Inside F4:A4:54
This MA-M block is carved from the 24-bit block F4:A4:54, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.