MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address B4:EF:04 (DAIHAN Scientific Co., Ltd.)
MAC address prefix B4:EF:04 is registered to DAIHAN Scientific Co., Ltd., located at 326, Sinpyoungsukhwaro, Wonju-si, Gangwon-do 26358, KR. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 17 November 2015, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
B4:EF:04
Registrant / Organization
Registry Chronology
Initial registration: 17 November 2015
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: South Korea (KR)
Headquarters Registered Facility 🇰🇷 KR
326
Sinpyoungsukhwaro
Wonju-si
Gangwon-do 26358
KR.
Sinpyoungsukhwaro
Wonju-si
Gangwon-do 26358
KR.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/b4ef04 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "B4EF04",
"company": "DAIHAN Scientific Co., Ltd.",
"address": "326, Sinpyoungsukhwaro, Wonju-si, Gangwon-do 26358, KR",
"country": "KR",
"blockStart": "B4EF04000000",
"blockEnd": "B4EF04FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}