MAC address 28:1F:81 (SOXAI Inc.)

MAC address prefix 28:1F:81 is registered to SOXAI Inc., located at 1102, Chuo Dai-6 Kannai Building1-2-1 Furocho, Naka-ku, Yokohama Kanagawa 231-0032, JP. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 10 November 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
28:1F:81
Registrant / Organization
SOXAI Inc.
Registry Chronology
Initial registration: 10 November 2026
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country Japan (JP) map
Country: Japan (JP)
Headquarters Registered Facility 🇯🇵 JP
1102
Chuo Dai-6 Kannai Building1-2-1 Furocho
Naka-ku
Yokohama Kanagawa 231-0032
JP.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/281f81 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "281F81",
  "company": "SOXAI Inc.",
  "address": "1102, Chuo Dai-6 Kannai Building1-2-1 Furocho, Naka-ku, Yokohama Kanagawa 231-0032, JP",
  "country": "JP",
  "blockStart": "281F81000000",
  "blockEnd": "281F81FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-11-10",
  "isRand": false,
  "isPrivate": false
}