MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address C4:EF:DA (Honeywell)
MAC address prefix C4:EF:DA is registered to Honeywell, located at 9680 Old Bailes Rd, Fort Mill, SC 29707, Fort Mill SC 29707, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 17 May 2022, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
C4:EF:DA
Registrant / Organization
Registry Chronology
Initial registration: 17 May 2022
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
9680 Old Bailes Rd
Fort Mill
SC 29707
Fort Mill SC 29707
US.
Fort Mill
SC 29707
Fort Mill SC 29707
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/c4efda -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "C4EFDA",
"company": "Honeywell",
"address": "9680 Old Bailes Rd, Fort Mill, SC 29707, Fort Mill SC 29707, US",
"country": "US",
"blockStart": "C4EFDA000000",
"blockEnd": "C4EFDAFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2022-05-17",
"isRand": false,
"isPrivate": false
}