D4:F0:B4 Napco Security Technologies
Every MAC address from D4:F0:B4:00:00:00 to D4:F0:B4:FF:FF:FF belongs to a block the IEEE assigned to Napco Security Technologies. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:F0:B4 belongs to
Written D4:F0:B4, D4-F0-B4 or D4F0B4, depending on the system. Look up a full address.
Prefix
D4:F0:B4
Organization
Napco Security Technologies
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:F0:B4:00:00:00
Last address
D4:F0:B4:FF:FF:FF
Address type
Globally unique, unicast
Registered address
333 Bayview Ave Amityville NY US 11701