MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Optical Internetworking Forum
MAC address prefix 00:0F:40 is registered to Optical Internetworking Forum, located at 48377 Fremont BlvdFremont CA 94538US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 12 February 2004, with the most recent update made on 17 November 2015.
OUI: 00:0F:40
Vendor name: Optical Internetworking Forum
Address:
Assignment Type MA-L 48377 Fremont Blvd
Fremont CA 94538
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 12 February 2004
