MAC address 00:12:4F (Chemelex LLC)

MAC address prefix 00:12:4F is registered to Chemelex LLC, located at 1665 Utica Avenue, Suite 700, St Louis Park MN 55416, US. 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 September 2004, with the most recent update made on 11 December 2025.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
00:12:4F
Registrant / Organization
Chemelex LLC
Registry Chronology
Initial registration: 09 September 2004
Last updated: 11 December 2025
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country United States (US) map
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
1665 Utica Avenue
Suite 700
St Louis Park MN 55416
US.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/00124f -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "00124F",
  "company": "Chemelex LLC",
  "address": "1665 Utica Avenue, Suite 700, St Louis Park MN 55416, US",
  "country": "US",
  "blockStart": "00124F000000",
  "blockEnd": "00124FFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-12-11",
  "isRand": false,
  "isPrivate": false
}