MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B4:4D:43:7 (SERNET (SUZHOU) TECHNOLOGIES CORPORATION)
MAC address prefix B4:4D:43:7 is registered to SERNET (SUZHOU) TECHNOLOGIES CORPORATION, located at NO.8 Tangzhuang Road, Suzhou Industrial Park, Su ZhouCity, JiangSu Province, China, Suzhou 215021, 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 04 March 2023, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B4:4D:43:7
Registrant / Organization
Registry Chronology
Initial registration: 04 March 2023
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.8 Tangzhuang Road
Suzhou Industrial Park
Su ZhouCity
JiangSu Province
China
Suzhou 215021
CN.
Suzhou Industrial Park
Su ZhouCity
JiangSu Province
China
Suzhou 215021
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b44d437 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B44D437",
"company": "SERNET (SUZHOU) TECHNOLOGIES CORPORATION",
"address": "NO.8 Tangzhuang Road, Suzhou Industrial Park, Su ZhouCity, JiangSu Province, China, Suzhou 215021, CN",
"country": "CN",
"blockStart": "B44D43700000",
"blockEnd": "B44D437FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2023-03-04",
"isRand": false,
"isPrivate": false
}