MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:BB:B (SiLC Technologies)
MAC address prefix 8C:1F:64:BB:B is registered to SiLC Technologies, located at 181 W Huntington Dr. Ste 200, Monrovia CA 91016, 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 24 March 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:BB:B
Registrant / Organization
Registry Chronology
Initial registration: 24 March 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
181 W Huntington Dr. Ste 200
Monrovia CA 91016
US.
Monrovia CA 91016
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f64bbb -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F64BBB",
"company": "SiLC Technologies",
"address": "181 W Huntington Dr. Ste 200, Monrovia CA 91016, US",
"country": "US",
"blockStart": "8C1F64BBB000",
"blockEnd": "8C1F64BBBFFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2026-03-24",
"isRand": false,
"isPrivate": false
}