MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Gefen LLC
MAC address prefix 00:1C:91 is registered to Gefen LLC, located at 5919 Sea Otter PlaceCarlsbad CA 92010US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 13 May 2007, with the most recent update made on 12 March 2020.
OUI: 00:1C:91
Vendor name: Gefen LLC
Address:
Assignment Type MA-L 5919 Sea Otter Place
Carlsbad CA 92010
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 12 March 2020
Initial registration: 13 May 2007
