MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address F4:20:55:0 (AsicFlag)
MAC address prefix F4:20:55:0 is registered to AsicFlag, located at Room 2201, 22nd Floor, Longwei Building, No. 17 Jugong Road, Xixing Street, Binjiang District, Hangzhou Zhejiang 310051, 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 25 June 2024, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
F4:20:55:0
Registrant / Organization
Registry Chronology
Initial registration: 25 June 2024
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 2201
22nd Floor
Longwei Building
No. 17 Jugong Road
Xixing Street
Binjiang District
Hangzhou Zhejiang 310051
CN.
22nd Floor
Longwei Building
No. 17 Jugong Road
Xixing Street
Binjiang District
Hangzhou Zhejiang 310051
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/f420550 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "F420550",
"company": "AsicFlag",
"address": "Room 2201, 22nd Floor, Longwei Building, No. 17 Jugong Road, Xixing Street, Binjiang District, Hangzhou Zhejiang 310051, CN",
"country": "CN",
"blockStart": "F42055000000",
"blockEnd": "F420550FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2024-06-25",
"isRand": false,
"isPrivate": false
}