MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:84:B (Unlimited Bandwidth LLC)
MAC address prefix 8C:1F:64:84:B is registered to Unlimited Bandwidth LLC, located at 1320 W. Northwest Highway, Palatine 60067, 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 May 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:84:B
Registrant / Organization
Registry Chronology
Initial registration: 04 May 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
1320 W. Northwest Highway
Palatine 60067
US.
Palatine 60067
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f6484b -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F6484B",
"company": "Unlimited Bandwidth LLC",
"address": "1320 W. Northwest Highway, Palatine 60067, US",
"country": "US",
"blockStart": "8C1F6484B000",
"blockEnd": "8C1F6484BFFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2026-05-04",
"isRand": false,
"isPrivate": false
}