MAC address 00:12:BF (Arcadyan Corporation)

MAC address prefix 00:12:BF is registered to Arcadyan Corporation, located at 4F, No. 9, Park Avenue II, 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 16 November 2004, with the most recent update made on 09 March 2026.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
00:12:BF
Registrant / Organization
Arcadyan Corporation
Registry Chronology
Initial registration: 16 November 2004
Last updated: 09 March 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
4F
No. 9
Park Avenue II
Hsinchu 300
TW.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/0012bf -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "0012BF",
  "company": "Arcadyan Corporation",
  "address": "4F, No. 9, Park Avenue II, Hsinchu  300, TW",
  "country": "TW",
  "blockStart": "0012BF000000",
  "blockEnd": "0012BFFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-03-09",
  "isRand": false,
  "isPrivate": false
}