MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 44:7B:45 (Amazon Technologies Inc.)
MAC address prefix 44:7B:45 is registered to Amazon Technologies Inc., located at P.O Box 8102, Reno NV 89507, 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 31 March 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
44:7B:45
Registrant / Organization
Registry Chronology
Initial registration: 31 March 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
P.O Box 8102
Reno NV 89507
US.
Reno NV 89507
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/447b45 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "447B45",
"company": "Amazon Technologies Inc.",
"address": "P.O Box 8102, Reno NV 89507, US",
"country": "US",
"blockStart": "447B45000000",
"blockEnd": "447B45FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-03-31",
"isRand": false,
"isPrivate": false
}