EC:74:D7 Grandstream Networks Inc
Every MAC address from EC:74:D7:00:00:00 to EC:74:D7:FF:FF:FF belongs to a block the IEEE assigned to Grandstream Networks Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who EC:74:D7 belongs to
Written EC:74:D7, EC-74-D7 or EC74D7, depending on the system. Look up a full address.
Prefix
EC:74:D7
Organization
Grandstream Networks Inc
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
EC:74:D7:00:00:00
Last address
EC:74:D7:FF:FF:FF
Address type
Globally unique, unicast
Registered address
126 brookline avenue boston MA US 02215