MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address AC:AD:EF (Wanan Hongsheng Electronic Co.Ltd)
MAC address prefix AC:AD:EF is registered to Wanan Hongsheng Electronic Co.Ltd, located at 1st section of industrial pack, Wan'An County, Ji'An City, Ji'An City, jiangxi province 343800, 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 25 March 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
AC:AD:EF
Registrant / Organization
Registry Chronology
Initial registration: 25 March 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
1st section of industrial pack
Wan'An County
Ji'An City
Ji'An City
jiangxi province 343800
CN.
Wan'An County
Ji'An City
Ji'An City
jiangxi province 343800
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/acadef -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "ACADEF",
"company": "Wanan Hongsheng Electronic Co.Ltd",
"address": "1st section of industrial pack, Wan'An County, Ji'An City, Ji'An City, jiangxi province 343800, CN",
"country": "CN",
"blockStart": "ACADEF000000",
"blockEnd": "ACADEFFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-03-25",
"isRand": false,
"isPrivate": false
}