MAC address 00:0F:40 (Optical Internetworking Forum)

MAC address prefix 00:0F:40 is registered to Optical Internetworking Forum, located at 48377 Fremont Blvd, Fremont CA 94538, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 12 February 2004, with the most recent update made on 17 November 2015.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
00:0F:40
Registrant / Organization
Optical Internetworking Forum
Registry Chronology
Initial registration: 12 February 2004
Last updated: 17 November 2015
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
48377 Fremont Blvd
Fremont CA 94538
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/000f40 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "000F40",
  "company": "Optical Internetworking Forum",
  "address": "48377 Fremont Blvd, Fremont CA 94538, US",
  "country": "US",
  "blockStart": "000F40000000",
  "blockEnd": "000F40FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2015-11-17",
  "isRand": false,
  "isPrivate": false
}