MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 40:53:B3 (SUNITEC TECHNOLOGY CO.,LIMITED)
MAC address prefix 40:53:B3 is registered to SUNITEC TECHNOLOGY CO.,LIMITED, located at Floor 1-4, building C, Weixlangtal industrial park, no, 725, Dasan Village、Xingfu community, Fucheng Street, Longhua district, Shenzhen 518110, 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 17 October 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
40:53:B3
Registrant / Organization
Registry Chronology
Initial registration: 17 October 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: China (CN)
Headquarters Registered Facility 🇨🇳 CN
Floor 1-4
building C
Weixlangtal industrial park
no
725
Dasan Village、Xingfu community
Fucheng Street
Longhua district
Shenzhen 518110
CN.
building C
Weixlangtal industrial park
no
725
Dasan Village、Xingfu community
Fucheng Street
Longhua district
Shenzhen 518110
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/4053b3 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "4053B3",
"company": "SUNITEC TECHNOLOGY CO.,LIMITED",
"address": "Floor 1-4, building C, Weixlangtal industrial park, no, 725, Dasan Village、Xingfu community, Fucheng Street, Longhua district, Shenzhen 518110, CN",
"country": "CN",
"blockStart": "4053B3000000",
"blockEnd": "4053B3FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-10-17",
"isRand": false,
"isPrivate": false
}