MAC address 8C:1F:64:2B:9 (Ultrasonic Engineering Co., Ltd.)

MAC address prefix 8C:1F:64:2B:9 is registered to Ultrasonic Engineering Co., Ltd., located at 1-6-1, Kashiwa-cho, Tachikawa-shi Tokyo 190-8522, JP. 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 10 July 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
8C:1F:64:2B:9
Registrant / Organization
Ultrasonic Engineering Co., Ltd.
Registry Chronology
Initial registration: 10 July 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 Japan (JP) map
Country: Japan (JP)
Headquarters Registered Facility 🇯🇵 JP
1-6-1
Kashiwa-cho
Tachikawa-shi Tokyo 190-8522
JP.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/8c1f642b9 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "8C1F642B9",
  "company": "Ultrasonic Engineering Co., Ltd.",
  "address": "1-6-1, Kashiwa-cho, Tachikawa-shi Tokyo 190-8522, JP",
  "country": "JP",
  "blockStart": "8C1F642B9000",
  "blockEnd": "8C1F642B9FFF",
  "blockSize": 4095,
  "blockType": "MA-S",
  "updated": "2026-07-10",
  "isRand": false,
  "isPrivate": false
}