MAC address 8C:1F:64:C0:9 (S.E.I. CO.,LTD.)

MAC address prefix 8C:1F:64:C0:9 is registered to S.E.I. CO.,LTD., located at 59 Nirayama Tada, Izunokuni Shizuoka 4102133, 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 27 June 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

8C:1F:64:C0:9

Registrant / Organization

S.E.I. CO.,LTD.

Registry Chronology

Initial registration: 27 June 2025

Assignment Classification

MA-S

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

Registered Location

Country: Japan (JP)

Headquarters Registered Facility 🇯🇵 JP

59 Nirayama Tada
Izunokuni Shizuoka 4102133
JP.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/8c1f64c09 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "8C1F64C09",
  "company": "S.E.I. CO.,LTD.",
  "address": "59 Nirayama Tada, Izunokuni Shizuoka 4102133, JP",
  "country": "JP",
  "blockStart": "8C1F64C09000",
  "blockEnd": "8C1F64C09FFF",
  "blockSize": 4095,
  "blockType": "MA-S",
  "updated": "2025-06-27",
  "isRand": false,
  "isPrivate": false
}