MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:60:4 (LeafLabs, LLC)
MAC address prefix 8C:1F:64:60:4 is registered to LeafLabs, LLC, located at 1280 Cambridge St, Cambridge MA 02139, 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 02 September 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:60:4
Registrant / Organization
Registry Chronology
Initial registration: 02 September 2026
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
1280 Cambridge St
Cambridge MA 02139
US.
Cambridge MA 02139
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f64604 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F64604",
"company": "LeafLabs, LLC",
"address": "1280 Cambridge St, Cambridge MA 02139, US",
"country": "US",
"blockStart": "8C1F64604000",
"blockEnd": "8C1F64604FFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2026-09-02",
"isRand": false,
"isPrivate": false
}