MAC address B4:CF:49 (WNC Corporation)

MAC address prefix B4:CF:49 is registered to WNC Corporation, located at No.20, Park Avenue II, Hsinchu Science Park, Hsin-Chu R.O.C. 308, 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 27 July 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
B4:CF:49
Registrant / Organization
WNC Corporation
Registry Chronology
Initial registration: 27 July 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Taiwan (TW) map
Country: Taiwan (TW)
Headquarters Registered Facility 🇹🇼 TW
No.20
Park Avenue II
Hsinchu Science Park
Hsin-Chu R.O.C. 308
TW.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b4cf49 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B4CF49",
  "company": "WNC Corporation",
  "address": "No.20, Park Avenue II, Hsinchu Science Park, Hsin-Chu R.O.C. 308, TW",
  "country": "TW",
  "blockStart": "B4CF49000000",
  "blockEnd": "B4CF49FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-07-27",
  "isRand": false,
  "isPrivate": false
}