MAC address 64:CB:A0 (Extreme Networks, Inc.)

MAC address prefix 64:CB:A0 is registered to Extreme Networks, Inc., located at 2121 RDU Center Drive, Morrisville NC 27560, 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 30 September 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
64:CB:A0
Registrant / Organization
Extreme Networks, Inc.
Registry Chronology
Initial registration: 30 September 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
2121 RDU Center Drive
Morrisville NC 27560
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/64cba0 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "64CBA0",
  "company": "Extreme Networks, Inc.",
  "address": "2121 RDU Center Drive, Morrisville NC 27560, US",
  "country": "US",
  "blockStart": "64CBA0000000",
  "blockEnd": "64CBA0FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-09-30",
  "isRand": false,
  "isPrivate": false
}