MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 70:B3:D5:92:F (SiFive Inc)
MAC address prefix 70:B3:D5:92:F is registered to SiFive Inc, located at 1875 S Grant St, San Mateo CA 94403, US. This registration is classified as MA-S (MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12). The prefix was initially registered on 15 February 2018, with the most recent update made on 25 March 2024.
Vendor & Registry Dossier
Assigned Prefix
70:B3:D5:92:F
Registrant / Organization
Registry Chronology
Initial registration: 15 February 2018
Last updated: 25 March 2024
Assignment Classification
MA-S
(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
1875 S Grant St
San Mateo CA 94403
US.
San Mateo CA 94403
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/70b3d592f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "70B3D592F",
"company": "SiFive Inc",
"address": "1875 S Grant St, San Mateo CA 94403, US",
"country": "US",
"blockStart": "70B3D592F000",
"blockEnd": "70B3D592FFFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2024-03-25",
"isRand": false,
"isPrivate": false
}