MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Napco Security Technologies
MAC address prefix D4:F0:B4 is registered to Napco Security Technologies, located at 333 Bayview AveAmityville NY 11701US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 07 May 2011, with the most recent update made on 17 November 2015.
OUI: D4:F0:B4
Vendor name: Napco Security Technologies
Address:
Assignment Type MA-L 333 Bayview Ave
Amityville NY 11701
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 07 May 2011
