MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 90:A4:DE (WNC Corporation)
MAC address prefix 90:A4:DE is registered to WNC Corporation, located at 20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, TW. 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 24 November 2010, with the most recent update made on 19 September 2025.
Vendor & Registry Dossier
Assigned Prefix
90:A4:DE
Registrant / Organization
Registry Chronology
Initial registration: 24 November 2010
Last updated: 19 September 2025
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
20 Park Avenue II
Hsinchu Science Park
Hsinchu 308
TW.
Hsinchu Science Park
Hsinchu 308
TW.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/90a4de -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "90A4DE",
"company": "WNC Corporation",
"address": "20 Park Avenue II, Hsinchu Science Park, Hsinchu 308, TW",
"country": "TW",
"blockStart": "90A4DE000000",
"blockEnd": "90A4DEFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2025-09-19",
"isRand": false,
"isPrivate": false
}