MAC address 28:69:26 (OPTOKON, a.s.)

MAC address prefix 28:69:26 is registered to OPTOKON, a.s., located at Červený Kříž 250, Jihlava 586 01, CZ. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 02 April 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
28:69:26
Registrant / Organization
OPTOKON, a.s.
Registry Chronology
Initial registration: 02 April 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Czechia (CZ) map
Country: Czechia (CZ)
Headquarters Registered Facility 🇨🇿 CZ
Červený Kříž 250
Jihlava 586 01
CZ.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/286926 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "286926",
  "company": "OPTOKON, a.s.",
  "address": "Červený Kříž 250, Jihlava  586 01, CZ",
  "country": "CZ",
  "blockStart": "286926000000",
  "blockEnd": "286926FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-04-02",
  "isRand": false,
  "isPrivate": false
}