MAC address 28:DB:81 (Shanghai Guao Electronic Technology Co., Ltd)

MAC address prefix 28:DB:81 is registered to Shanghai Guao Electronic Technology Co., Ltd, located at No.6, Alley 1225 TongPu Road, Shanghai 200333, CN. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 02 May 2013, with the most recent update made on 17 November 2015.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
28:DB:81
Registry Chronology
Initial registration: 02 May 2013
Last updated: 17 November 2015
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
No.6
Alley 1225 TongPu Road

Shanghai 200333
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/28db81 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "28DB81",
  "company": "Shanghai Guao Electronic Technology Co., Ltd",
  "address": "No.6, Alley 1225 TongPu Road, Shanghai 200333, CN",
  "country": "CN",
  "blockStart": "28DB81000000",
  "blockEnd": "28DB81FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2015-11-17",
  "isRand": false,
  "isPrivate": false
}