MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 40:2F:51 (Maxtek Optoelectronics Ltd)
MAC address prefix 40:2F:51 is registered to Maxtek Optoelectronics Ltd, located at 8 Wing Hong Road, Kowloon 000000, HK. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 06 January 2025, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
40:2F:51
Registrant / Organization
Registry Chronology
Initial registration: 06 January 2025
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Hong Kong SAR China (HK)
Headquarters Registered Facility 🇭🇰 HK
8 Wing Hong Road
Kowloon 000000
HK.
Kowloon 000000
HK.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/402f51 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "402F51",
"company": "Maxtek Optoelectronics Ltd",
"address": "8 Wing Hong Road, Kowloon 000000, HK",
"country": "HK",
"blockStart": "402F51000000",
"blockEnd": "402F51FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2025-01-06",
"isRand": false,
"isPrivate": false
}