MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address DC:9F:1F (Aseko, spol. s r.o.)
MAC address prefix DC:9F:1F is registered to Aseko, spol. s r.o., located at Videnska 340, Vestec u Prahy 25250, CZ. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 21 August 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
DC:9F:1F
Registrant / Organization
Registry Chronology
Initial registration: 21 August 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Czechia (CZ)
Headquarters Registered Facility 🇨🇿 CZ
Videnska 340
Vestec u Prahy 25250
CZ.
Vestec u Prahy 25250
CZ.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/dc9f1f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "DC9F1F",
"company": "Aseko, spol. s r.o.",
"address": "Videnska 340, Vestec u Prahy 25250, CZ",
"country": "CZ",
"blockStart": "DC9F1F000000",
"blockEnd": "DC9F1FFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-08-21",
"isRand": false,
"isPrivate": false
}