MAC address B8:1B:CB (Shanghai Sunmi Technology Co.,Ltd.)

MAC address prefix B8:1B:CB is registered to Shanghai Sunmi Technology Co.,Ltd., located at Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China, Shanghai Shanghai 200433, 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 26 June 2026, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
B8:1B:CB
Registrant / Organization
Shanghai Sunmi Technology Co.,Ltd.
Registry Chronology
Initial registration: 26 June 2026
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
Room 505
No.388 Song Hu Road
Yang Pu District
Shanghai
China
Shanghai Shanghai 200433
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/b81bcb -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "B81BCB",
  "company": "Shanghai Sunmi Technology Co.,Ltd.",
  "address": "Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China, Shanghai Shanghai 200433, CN",
  "country": "CN",
  "blockStart": "B81BCB000000",
  "blockEnd": "B81BCBFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-06-26",
  "isRand": false,
  "isPrivate": false
}