MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address A4:53:EE:4 (Williamson Corporation)
MAC address prefix A4:53:EE:4 is registered to Williamson Corporation, located at 70 Domino Drive, Concord MA 01742, US. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 22 October 2020, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
A4:53:EE:4
Registrant / Organization
Registry Chronology
Initial registration: 22 October 2020
Assignment Classification
MA-M
(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
70 Domino Drive
Concord MA 01742
US.
Concord MA 01742
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/a453ee4 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "A453EE4",
"company": "Williamson Corporation",
"address": "70 Domino Drive, Concord MA 01742, US",
"country": "US",
"blockStart": "A453EE400000",
"blockEnd": "A453EE4FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2020-10-22",
"isRand": false,
"isPrivate": false
}