MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 50:45:D7 (Arista Networks)
MAC address prefix 50:45:D7 is registered to Arista Networks, located at 5453 Great America Parkway, Santa Clara CA 95054, 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 12 September 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
50:45:D7
Registrant / Organization
Registry Chronology
Initial registration: 12 September 2026
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
5453 Great America Parkway
Santa Clara CA 95054
US.
Santa Clara CA 95054
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/5045d7 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "5045D7",
"company": "Arista Networks",
"address": "5453 Great America Parkway, Santa Clara CA 95054, US",
"country": "US",
"blockStart": "5045D7000000",
"blockEnd": "5045D7FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-09-12",
"isRand": false,
"isPrivate": false
}