MAC address 28:B2:7C (Sailing Northern Technology)

MAC address prefix 28:B2:7C is registered to Sailing Northern Technology, located at Unit A4009, 4th floor, BuiIding 1, No. 2 Yongcheng North Road, Beijing 100094, CN. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 20 August 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
28:B2:7C
Registrant / Organization
Sailing Northern Technology
Registry Chronology
Initial registration: 20 August 2025
Assignment Classification
MA-L

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

Registered Location

MAC Address Vendor Country China (CN) map
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
Unit A4009
4th floor
BuiIding 1
No. 2 Yongcheng North Road
Beijing 100094
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/28b27c -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "28B27C",
  "company": "Sailing Northern Technology",
  "address": "Unit A4009, 4th floor, BuiIding 1, No. 2 Yongcheng North Road, Beijing  100094, CN",
  "country": "CN",
  "blockStart": "28B27C000000",
  "blockEnd": "28B27CFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-08-20",
  "isRand": false,
  "isPrivate": false
}