MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address D4:20:00 (IEEE Registration Authority)
MAC address prefix D4:20:00 is registered to IEEE Registration Authority, located at 445 Hoes Lane, Piscataway NJ 08554, 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 24 June 2022, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
D4:20:00
Registrant / Organization
Registry Chronology
Initial registration: 24 June 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
445 Hoes Lane
Piscataway NJ 08554
US.
Piscataway NJ 08554
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/d42000 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "D42000",
"company": "IEEE Registration Authority",
"address": "445 Hoes Lane, Piscataway NJ 08554, US",
"country": "US",
"blockStart": "D42000000000",
"blockEnd": "D42000FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2022-06-24",
"isRand": false,
"isPrivate": false
}