MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:9B:5 (BERKELEY NUCLEONICS CORP)
MAC address prefix 8C:1F:64:9B:5 is registered to BERKELEY NUCLEONICS CORP, located at 2955 Kerner Blvd #D, San Rafael CA 94901, 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 registered on 04 February 2025, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:9B:5
Registrant / Organization
Registry Chronology
Initial registration: 04 February 2025
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
2955 Kerner Blvd #D
San Rafael CA 94901
US.
San Rafael CA 94901
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f649b5 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F649B5",
"company": "BERKELEY NUCLEONICS CORP",
"address": "2955 Kerner Blvd #D, San Rafael CA 94901, US",
"country": "US",
"blockStart": "8C1F649B5000",
"blockEnd": "8C1F649B5FFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2025-02-04",
"isRand": false,
"isPrivate": false
}