MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 04:EC:A9:4 (Shanghai Vic Lab Intelligent Technology Co.,Ltd.)
MAC address prefix 04:EC:A9:4 is registered to Shanghai Vic Lab Intelligent Technology Co.,Ltd., located at Room 603, Building 2, No. 391 Guiping Road, Xuhui District, Shanghai 200233, 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 19 August 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
04:EC:A9:4
Registrant / Organization
Registry Chronology
Initial registration: 19 August 2026
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
Room 603
Building 2
No. 391 Guiping Road
Xuhui District
Shanghai 200233
CN.
Building 2
No. 391 Guiping Road
Xuhui District
Shanghai 200233
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/04eca94 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "04ECA94",
"company": "Shanghai Vic Lab Intelligent Technology Co.,Ltd.",
"address": "Room 603, Building 2, No. 391 Guiping Road, Xuhui District, Shanghai 200233, CN",
"country": "CN",
"blockStart": "04ECA9400000",
"blockEnd": "04ECA94FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2026-08-19",
"isRand": false,
"isPrivate": false
}