MAC address 04:38:DC (China Unicom Online Information Technology Co.,Ltd)

MAC address prefix 04:38:DC is registered to China Unicom Online Information Technology Co.,Ltd, located at 133 Xidan North St, Xicheng District, Beijing, Beijing 100000, 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 14 April 2023, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
04:38:DC
Registrant / Organization
China Unicom Online Information Technology Co.,Ltd
Registry Chronology
Initial registration: 14 April 2023
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
133 Xidan North St
Xicheng District
Beijing
Beijing 100000
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/0438dc -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "0438DC",
  "company": "China Unicom Online Information Technology Co.,Ltd",
  "address": "133 Xidan North St, Xicheng District, Beijing, Beijing  100000, CN",
  "country": "CN",
  "blockStart": "0438DC000000",
  "blockEnd": "0438DCFFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2023-04-14",
  "isRand": false,
  "isPrivate": false
}