MAC address 4C:D4:B1 (NXP Semiconductor (Tianjin) LTD.)

MAC address prefix 4C:D4:B1 is registered to NXP Semiconductor (Tianjin) LTD., located at No.15 Xinghua Avenue, Xiqing Economic Development Area, Tianjin 300385, 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 09 October 2025, and no subsequent updates have been recorded.

Vendor & Registry Dossier

Public Allocation
Assigned Prefix
4C:D4:B1
Registrant / Organization
NXP Semiconductor (Tianjin) LTD.
Registry Chronology
Initial registration: 09 October 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
No.15 Xinghua Avenue
Xiqing Economic Development Area
Tianjin 300385
CN.

REST API v2

200 OK
CLI curl -s https://api.maclookup.app/v2/macs/4cd4b1 -H 'Accept: application/json'
{
  "success": true,
  "found": true,
  "macPrefix": "4CD4B1",
  "company": "NXP Semiconductor (Tianjin) LTD.",
  "address": "No.15 Xinghua Avenue, Xiqing Economic Development Area, Tianjin  300385, CN",
  "country": "CN",
  "blockStart": "4CD4B1000000",
  "blockEnd": "4CD4B1FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2025-10-09",
  "isRand": false,
  "isPrivate": false
}