MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 70:B3:D5:5C:9 (ICTK Co., Ltd.)
MAC address prefix 70:B3:D5:5C:9 is registered to ICTK Co., Ltd., located at 3F Ventureforum B'd, Pangyodae-ro, Seung-nam Si Gyeonggi-Do 13488, KR. This registration is classified as MA-S (MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12). The prefix was initially registered on 20 May 2020, with the most recent update made on 20 January 2026.
Vendor & Registry Dossier
Assigned Prefix
70:B3:D5:5C:9
Registrant / Organization
Registry Chronology
Initial registration: 20 May 2020
Last updated: 20 January 2026
Assignment Classification
MA-S
(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)
Registered Location
Country: South Korea (KR)
Headquarters Registered Facility 🇰🇷 KR
3F Ventureforum B'd
Pangyodae-ro
Seung-nam Si Gyeonggi-Do 13488
KR.
Pangyodae-ro
Seung-nam Si Gyeonggi-Do 13488
KR.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/70b3d55c9 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "70B3D55C9",
"company": "ICTK Co., Ltd.",
"address": "3F Ventureforum B'd, Pangyodae-ro, Seung-nam Si Gyeonggi-Do 13488, KR",
"country": "KR",
"blockStart": "70B3D55C9000",
"blockEnd": "70B3D55C9FFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2026-01-20",
"isRand": false,
"isPrivate": false
}