MAC address 8C:1F:64:99:B (Grossenbacher Systeme AG)

MAC address prefix 8C:1F:64:99:B is registered to Grossenbacher Systeme AG, located at Spinnereistrasse 10, St. Gallen 9008, CH. This registration is classified as MA-S (MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12). The prefix was registered on 18 February 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
8C:1F:64:99:B
Registrant / Organization
Grossenbacher Systeme AG
Registry Chronology
Initial registration: 18 February 2026
Assignment Classification
MA-S

(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)

Registered Location

MAC Address Vendor Country Switzerland (CH) map
Country: Switzerland (CH)
Headquarters Registered Facility 🇨🇭 CH
Spinnereistrasse 10
St. Gallen 9008
CH.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/8c1f6499b -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "8C1F6499B",
  "company": "Grossenbacher Systeme AG",
  "address": "Spinnereistrasse 10, St. Gallen  9008, CH",
  "country": "CH",
  "blockStart": "8C1F6499B000",
  "blockEnd": "8C1F6499BFFF",
  "blockSize": 4095,
  "blockType": "MA-S",
  "updated": "2026-02-18",
  "isRand": false,
  "isPrivate": false
}