MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 04:AA:B1 (Growatt Technology Co.,Limited.)
MAC address prefix 04:AA:B1 is registered to Growatt Technology Co.,Limited., located at No. 291 Yunchang Road, Smart Green Energy Industrial Park, Sanwei Community, Hangcheng Street, Bao'an District, Shenzhen Guangdong 518108, 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 02 October 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
04:AA:B1
Registrant / Organization
Registry Chronology
Initial registration: 02 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
No. 291 Yunchang Road
Smart Green Energy Industrial Park
Sanwei Community
Hangcheng Street
Bao'an District
Shenzhen Guangdong 518108
CN.
Smart Green Energy Industrial Park
Sanwei Community
Hangcheng Street
Bao'an District
Shenzhen Guangdong 518108
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/04aab1 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "04AAB1",
"company": "Growatt Technology Co.,Limited.",
"address": "No. 291 Yunchang Road, Smart Green Energy Industrial Park, Sanwei Community, Hangcheng Street, Bao'an District, Shenzhen Guangdong 518108, CN",
"country": "CN",
"blockStart": "04AAB1000000",
"blockEnd": "04AAB1FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-10-02",
"isRand": false,
"isPrivate": false
}