MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 18:16:E8 (Siliconware Precision Industries Co., Ltd.)
MAC address prefix 18:16:E8 is registered to Siliconware Precision Industries Co., Ltd., located at No. 123, Sec.3, Da Fong Rd, Tantzu, Taichung 427, TW. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 27 June 2022, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
18:16:E8
Registrant / Organization
Registry Chronology
Initial registration: 27 June 2022
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Taiwan (TW)
Headquarters Registered Facility 🇹🇼 TW
No. 123
Sec.3
Da Fong Rd
Tantzu
Taichung 427
TW.
Sec.3
Da Fong Rd
Tantzu
Taichung 427
TW.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/1816e8 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "1816E8",
"company": "Siliconware Precision Industries Co., Ltd.",
"address": "No. 123, Sec.3, Da Fong Rd, Tantzu, Taichung 427, TW",
"country": "TW",
"blockStart": "1816E8000000",
"blockEnd": "1816E8FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2022-06-27",
"isRand": false,
"isPrivate": false
}