MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:B5:1 (Vojensky Technicky Ustav, s.p.)
MAC address prefix 8C:1F:64:B5:1 is registered to Vojensky Technicky Ustav, s.p., located at Mladoboleslavska 944, Kbely, Praha 9Reg. n: 24272523VAT n.: CZ24272523, Praha 19700, CZ. 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 registered on 18 February 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:B5:1
Registrant / Organization
Registry Chronology
Initial registration: 18 February 2026
Assignment Classification
MA-S
(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)
Registered Location
Country: Czechia (CZ)
Headquarters Registered Facility 🇨🇿 CZ
Mladoboleslavska 944
Kbely
Praha 9Reg. n: 24272523VAT n.: CZ24272523
Praha 19700
CZ.
Kbely
Praha 9Reg. n: 24272523VAT n.: CZ24272523
Praha 19700
CZ.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f64b51 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F64B51",
"company": "Vojensky Technicky Ustav, s.p.",
"address": "Mladoboleslavska 944, Kbely, Praha 9Reg. n: 24272523VAT n.: CZ24272523, Praha 19700, CZ",
"country": "CZ",
"blockStart": "8C1F64B51000",
"blockEnd": "8C1F64B51FFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2026-02-18",
"isRand": false,
"isPrivate": false
}