MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 18:F0:55 (Nanjing Qinheng Microelectronics Co., Ltd.)
MAC address prefix 18:F0:55 is registered to Nanjing Qinheng Microelectronics Co., Ltd., located at No.18, Ningshuang Road, Nanjing Jiangsu 210012, 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 15 August 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
18:F0:55
Registrant / Organization
Registry Chronology
Initial registration: 15 August 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.18
Ningshuang Road
Nanjing Jiangsu 210012
CN.
Ningshuang Road
Nanjing Jiangsu 210012
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/18f055 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "18F055",
"company": "Nanjing Qinheng Microelectronics Co., Ltd.",
"address": "No.18, Ningshuang Road, Nanjing Jiangsu 210012, CN",
"country": "CN",
"blockStart": "18F055000000",
"blockEnd": "18F055FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-08-15",
"isRand": false,
"isPrivate": false
}