MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 48:57:DD (Facebook Inc)
MAC address prefix 48:57:DD is registered to Facebook Inc, located at 1 Hacker Way, Menlo Park 94025, 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 13 July 2014, with the most recent update made on 02 July 2019.
Vendor & Registry Dossier
Assigned Prefix
48:57:DD
Registrant / Organization
Registry Chronology
Initial registration: 13 July 2014
Last updated: 02 July 2019
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
1 Hacker Way
Menlo Park 94025
US.
Menlo Park 94025
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/4857dd -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "4857DD",
"company": "Facebook Inc",
"address": "1 Hacker Way, Menlo Park 94025, US",
"country": "US",
"blockStart": "4857DD000000",
"blockEnd": "4857DDFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2019-07-02",
"isRand": false,
"isPrivate": false
}