MAC address C8:26:91 (Arista Networks, Inc.)

MAC address prefix C8:26:91 is registered to Arista Networks, Inc., located at 5453 Great America Parkway, Santa Clara 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 24 February 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
C8:26:91
Registrant / Organization
Arista Networks, Inc.
Registry Chronology
Initial registration: 24 February 2026
Assignment Classification
MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
5453 Great America Parkway
Santa Clara 95054
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/c82691 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "C82691",
  "company": "Arista Networks, Inc.",
  "address": "5453 Great America Parkway, Santa Clara  95054, US",
  "country": "US",
  "blockStart": "C82691000000",
  "blockEnd": "C82691FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-02-24",
  "isRand": false,
  "isPrivate": false
}