MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 04:23:36 (Zyxel Communications Corporation)
MAC address prefix 04:23:36 is registered to Zyxel Communications Corporation, located at No. 6 Innovation Road II, Science Park, Hsichu Taiwan 300, TW. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 25 September 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
04:23:36
Registrant / Organization
Registry Chronology
Initial registration: 25 September 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Taiwan (TW)
Headquarters Registered Facility 🇹🇼 TW
No. 6 Innovation Road II
Science Park
Hsichu Taiwan 300
TW.
Science Park
Hsichu Taiwan 300
TW.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/042336 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "042336",
"company": "Zyxel Communications Corporation",
"address": "No. 6 Innovation Road II, Science Park, Hsichu Taiwan 300, TW",
"country": "TW",
"blockStart": "042336000000",
"blockEnd": "042336FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-09-25",
"isRand": false,
"isPrivate": false
}