MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address E4:FF:69 (Holiday Robotics)
MAC address prefix E4:FF:69 is registered to Holiday Robotics, located at 4F, 70, Nonhyeon-ro 85-gil, Gangnam-gu, Seoul 06234, 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 06 April 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
E4:FF:69
Registrant / Organization
Registry Chronology
Initial registration: 06 April 2026
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
4F
70
Nonhyeon-ro 85-gil
Gangnam-gu
Seoul 06234
KR.
70
Nonhyeon-ro 85-gil
Gangnam-gu
Seoul 06234
KR.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/e4ff69 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "E4FF69",
"company": "Holiday Robotics",
"address": "4F, 70, Nonhyeon-ro 85-gil, Gangnam-gu, Seoul 06234, KR",
"country": "KR",
"blockStart": "E4FF69000000",
"blockEnd": "E4FF69FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-04-06",
"isRand": false,
"isPrivate": false
}