MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B8:D3:EF (UNISEM (M) BERHAD)
MAC address prefix B8:D3:EF is registered to UNISEM (M) BERHAD, located at LOT 302285, JALAN INDUSTRI 1/1, KAWASAN PERINDUSTRIAN GOPENG, GOPENG PERAK 31600, MY. 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 June 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B8:D3:EF
Registrant / Organization
Registry Chronology
Initial registration: 15 June 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Malaysia (MY)
Headquarters Registered Facility 🇲🇾 MY
LOT 302285
JALAN INDUSTRI 1/1
KAWASAN PERINDUSTRIAN GOPENG
GOPENG PERAK 31600
MY.
JALAN INDUSTRI 1/1
KAWASAN PERINDUSTRIAN GOPENG
GOPENG PERAK 31600
MY.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b8d3ef -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B8D3EF",
"company": "UNISEM (M) BERHAD",
"address": "LOT 302285, JALAN INDUSTRI 1/1, KAWASAN PERINDUSTRIAN GOPENG, GOPENG PERAK 31600, MY",
"country": "MY",
"blockStart": "B8D3EF000000",
"blockEnd": "B8D3EFFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-06-15",
"isRand": false,
"isPrivate": false
}