MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 10:3A:5D (Emerson)
MAC address prefix 10:3A:5D is registered to Emerson, located at 6021 Innovation Blvd, Shakopee MN 55379, 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 11 March 2026, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
10:3A:5D
Registrant / Organization
Registry Chronology
Initial registration: 11 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
6021 Innovation Blvd
Shakopee MN 55379
US.
Shakopee MN 55379
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/103a5d -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "103A5D",
"company": "Emerson",
"address": "6021 Innovation Blvd, Shakopee MN 55379, US",
"country": "US",
"blockStart": "103A5D000000",
"blockEnd": "103A5DFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2026-03-11",
"isRand": false,
"isPrivate": false
}