MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B4:37:D1:C (NANJING PUTIAN TELECOMMUNICATIONS TECHNOLOGY CO.,LTD.)
MAC address prefix B4:37:D1:C is registered to NANJING PUTIAN TELECOMMUNICATIONS TECHNOLOGY CO.,LTD., located at No.1 Putian Road, Yuhuamenwai, Nanjing, Nan Jing Jiang Su 210022, CN. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 05 February 2016, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B4:37:D1:C
Registrant / Organization
Registry Chronology
Initial registration: 05 February 2016
Assignment Classification
MA-M
(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)
Registered Location
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
No.1 Putian Road
Yuhuamenwai
Nanjing
Nan Jing Jiang Su 210022
CN.
Yuhuamenwai
Nanjing
Nan Jing Jiang Su 210022
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b437d1c -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B437D1C",
"company": "NANJING PUTIAN TELECOMMUNICATIONS TECHNOLOGY CO.,LTD.",
"address": "No.1 Putian Road, Yuhuamenwai, Nanjing, Nan Jing Jiang Su 210022, CN",
"country": "CN",
"blockStart": "B437D1C00000",
"blockEnd": "B437D1CFFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2016-02-05",
"isRand": false,
"isPrivate": false
}