MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 48:A1:7A (EM Microelectronic)
MAC address prefix 48:A1:7A is registered to EM Microelectronic, located at Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 03 September 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
48:A1:7A
Registrant / Organization
Registry Chronology
Initial registration: 03 September 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Switzerland (CH)
Headquarters Registered Facility 🇨🇭 CH
Rue des Sors 3
Marin-Epagnier Neuchatel 2074
CH.
Marin-Epagnier Neuchatel 2074
CH.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/48a17a -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "48A17A",
"company": "EM Microelectronic",
"address": "Rue des Sors 3, Marin-Epagnier Neuchatel 2074, CH",
"country": "CH",
"blockStart": "48A17A000000",
"blockEnd": "48A17AFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-09-03",
"isRand": false,
"isPrivate": false
}