MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address AC:77:B9 (Nanjing Yufei Intelligent Control Technology Co.,LTD)
MAC address prefix AC:77:B9 is registered to Nanjing Yufei Intelligent Control Technology Co.,LTD, located at Floor 3, Building 3, No.6 xuzhuang Road, Xuanwu District, Nanjing, nanjing 210000, 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 09 December 2021, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
AC:77:B9
Registrant / Organization
Registry Chronology
Initial registration: 09 December 2021
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 3
Building 3
No.6 xuzhuang Road
Xuanwu District
Nanjing
nanjing 210000
CN.
Building 3
No.6 xuzhuang Road
Xuanwu District
Nanjing
nanjing 210000
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/ac77b9 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "AC77B9",
"company": "Nanjing Yufei Intelligent Control Technology Co.,LTD",
"address": "Floor 3, Building 3, No.6 xuzhuang Road, Xuanwu District, Nanjing, nanjing 210000, CN",
"country": "CN",
"blockStart": "AC77B9000000",
"blockEnd": "AC77B9FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2021-12-09",
"isRand": false,
"isPrivate": false
}