MAC address E4:8F:B7 (Arista Networks)

MAC address prefix E4:8F:B7 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 15 April 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

E4:8F:B7

Registrant / Organization

Arista Networks

Registry Chronology

Initial registration: 15 April 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.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/e48fb7 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "E48FB7",
  "company": "Arista Networks",
  "address": "5453 Great America Parkway, Santa Clara CA 95054, US",
  "country": "US",
  "blockStart": "E48FB7000000",
  "blockEnd": "E48FB7FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-04-15",
  "isRand": false,
  "isPrivate": false
}