MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address D4:0C:9D (SiFly Aviation, Inc)
MAC address prefix D4:0C:9D is registered to SiFly Aviation, Inc, located at 3350 Scott BlvdBuilding 39-01, Santa Clara CA 95054, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 30 July 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
D4:0C:9D
Registrant / Organization
Registry Chronology
Initial registration: 30 July 2026
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
3350 Scott BlvdBuilding 39-01
Santa Clara CA 95054
US.
Santa Clara CA 95054
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/d40c9d -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "D40C9D",
"company": "SiFly Aviation, Inc",
"address": "3350 Scott BlvdBuilding 39-01, Santa Clara CA 95054, US",
"country": "US",
"blockStart": "D40C9D000000",
"blockEnd": "D40C9DFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-07-30",
"isRand": false,
"isPrivate": false
}