MAC address 00:1B:B1 (WNC Corporation)

MAC address prefix 00:1B:B1 is registered to WNC Corporation, located at No. 10-1, Li-hsin Road I, Hsinchu Science Park, Hsinchu 300, 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 09 April 2007, with the most recent update made on 19 September 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
00:1B:B1
Registrant / Organization
WNC Corporation
Registry Chronology
Initial registration: 09 April 2007
Last updated: 19 September 2025
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. 10-1
Li-hsin Road I
Hsinchu Science Park

Hsinchu 300
TW.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/001bb1 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "001BB1",
  "company": "WNC Corporation",
  "address": "No. 10-1, Li-hsin Road I, Hsinchu Science Park, Hsinchu  300, TW",
  "country": "TW",
  "blockStart": "001BB1000000",
  "blockEnd": "001BB1FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-09-19",
  "isRand": false,
  "isPrivate": false
}