MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address D0:AA:5F:9 (HONGCI MONITOR INTERNATIONAL CO., LTD.)
MAC address prefix D0:AA:5F:9 is registered to HONGCI MONITOR INTERNATIONAL CO., LTD., located at 1 F., No. 67, Sec. 2, Zhongshan Rd., Furen Vil., Tanzi Dist, Taichung City 427, TW. This registration is classified as MA-M (MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20). The prefix was registered on 05 December 2024, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
D0:AA:5F:9
Registrant / Organization
Registry Chronology
Initial registration: 05 December 2024
Assignment Classification
MA-M
(MAC Address Block Medium) containing 1,048,576 MAC addresses (2^20)
Registered Location
Country: Taiwan (TW)
Headquarters Registered Facility 🇹🇼 TW
1 F.
No. 67
Sec. 2
Zhongshan Rd.
Furen Vil.
Tanzi Dist
Taichung City 427
TW.
No. 67
Sec. 2
Zhongshan Rd.
Furen Vil.
Tanzi Dist
Taichung City 427
TW.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/d0aa5f9 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "D0AA5F9",
"company": "HONGCI MONITOR INTERNATIONAL CO., LTD.",
"address": "1 F., No. 67, Sec. 2, Zhongshan Rd., Furen Vil., Tanzi Dist, Taichung City 427, TW",
"country": "TW",
"blockStart": "D0AA5F900000",
"blockEnd": "D0AA5F9FFFFF",
"blockSize": 1048575,
"blockType": "MA-M",
"updated": "2024-12-05",
"isRand": false,
"isPrivate": false
}