MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address E4:DC:5F (Cofractal, Inc.)
MAC address prefix E4:DC:5F is registered to Cofractal, Inc., located at 209 E Java Dr. #61593, Sunnyvale CA 94089, 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 20 April 2021, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
E4:DC:5F
Registrant / Organization
Registry Chronology
Initial registration: 20 April 2021
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
209 E Java Dr. #61593
Sunnyvale CA 94089
US.
Sunnyvale CA 94089
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/e4dc5f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "E4DC5F",
"company": "Cofractal, Inc.",
"address": "209 E Java Dr. #61593, Sunnyvale CA 94089, US",
"country": "US",
"blockStart": "E4DC5F000000",
"blockEnd": "E4DC5FFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2021-04-20",
"isRand": false,
"isPrivate": false
}