MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 4C:4B:F9:B (Stored Energy Systems)
MAC address prefix 4C:4B:F9:B is registered to Stored Energy Systems, located at 1840 Industrial Circle, Longmont CO 80501, 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 02 July 2019, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
4C:4B:F9:B
Registrant / Organization
Registry Chronology
Initial registration: 02 July 2019
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
1840 Industrial Circle
Longmont CO 80501
US.
Longmont CO 80501
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/4c4bf9b -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "4C4BF9B",
"company": "Stored Energy Systems",
"address": "1840 Industrial Circle, Longmont CO 80501, US",
"country": "US",
"blockStart": "4C4BF9B00000",
"blockEnd": "4C4BF9BFFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2019-07-02",
"isRand": false,
"isPrivate": false
}