MAC address 5C:6C:BB:A (Entrust Security UK Limited)

MAC address prefix 5C:6C:BB:A is registered to Entrust Security UK Limited, located at 1 Station Square, Cambridge CB1 2GA, GB. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 13 November 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

5C:6C:BB:A

Registrant / Organization

Entrust Security UK Limited

Registry Chronology

Initial registration: 13 November 2026

Assignment Classification

MA-M

(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)

Registered Location

Country: United Kingdom (GB)

Headquarters Registered Facility 🇬🇧 GB

1 Station Square
Cambridge CB1 2GA
GB.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/5c6cbba -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "5C6CBBA",
  "company": "Entrust Security UK Limited",
  "address": "1 Station Square, Cambridge  CB1 2GA, GB",
  "country": "GB",
  "blockStart": "5C6CBBA00000",
  "blockEnd": "5C6CBBAFFFFF",
  "blockSize": 1048575,
  "blockType": "MA-M",
  "updated": "2026-11-13",
  "isRand": false,
  "isPrivate": false
}