MAC address 40:F2:1C (Zhone Technologies, Inc.)

MAC address prefix 40:F2:1C is registered to Zhone Technologies, Inc., located at 5700 Tennyson Parkway, Suite 400, Plano TX 75024, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 16 December 2018, with the most recent update made on 29 July 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
40:F2:1C
Registrant / Organization
Zhone Technologies, Inc.
Registry Chronology
Initial registration: 16 December 2018
Last updated: 29 July 2025
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
5700 Tennyson Parkway
Suite 400
Plano TX 75024
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/40f21c -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "40F21C",
  "company": "Zhone Technologies, Inc.",
  "address": "5700 Tennyson Parkway, Suite 400, Plano TX 75024, US",
  "country": "US",
  "blockStart": "40F21C000000",
  "blockEnd": "40F21CFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-07-29",
  "isRand": false,
  "isPrivate": false
}