MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address D8:3E:EF (COOSEA GROUP (HK) COMPANY LIMITED)
MAC address prefix D8:3E:EF is registered to COOSEA GROUP (HK) COMPANY LIMITED, located at Unit 56 16F Multifield Plaza, 37A Part Avenue.Tsim Sha Tsui, KL, Hong Kong, SAR CHINA, Hong Kong 999077, 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 23 May 2025, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
D8:3E:EF
Registrant / Organization
Registry Chronology
Initial registration: 23 May 2025
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
Unit 56 16F Multifield Plaza
37A Part Avenue.Tsim Sha Tsui
KL
Hong Kong
SAR CHINA
Hong Kong 999077
CN.
37A Part Avenue.Tsim Sha Tsui
KL
Hong Kong
SAR CHINA
Hong Kong 999077
CN.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/d83eef -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "D83EEF",
"company": "COOSEA GROUP (HK) COMPANY LIMITED",
"address": "Unit 56 16F Multifield Plaza, 37A Part Avenue.Tsim Sha Tsui, KL, Hong Kong, SAR CHINA, Hong Kong 999077, CN",
"country": "CN",
"blockStart": "D83EEF000000",
"blockEnd": "D83EEFFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2025-05-23",
"isRand": false,
"isPrivate": false
}