74:A4:A7 QRS Music Technologies, Inc.
Every MAC address from 74:A4:A7:00:00:00 to 74:A4:A7:FF:FF:FF belongs to a block the IEEE assigned to QRS Music Technologies, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 74:A4:A7 belongs to
Written 74:A4:A7, 74-A4-A7 or 74A4A7, depending on the system. Look up a full address.
Prefix
74:A4:A7
Organization
QRS Music Technologies, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
74:A4:A7:00:00:00
Last address
74:A4:A7:FF:FF:FF
Address type
Globally unique, unicast
Registered address
269 Quaker Drive Seneca PA US 16346