MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:40:03 (Emerson Process Management Power & Water Solutions, Inc.)
MAC address prefix 00:40:03 is registered to Emerson Process Management Power & Water Solutions, Inc., located at 200 Beta Drive, PITTSBURGH PA 15238, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 09 November 2000, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:40:03
Registrant / Organization
Registry Chronology
Initial registration: 09 November 2000
Last updated: 17 November 2015
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
200 Beta Drive
PITTSBURGH PA 15238
US.
PITTSBURGH PA 15238
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/004003 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "004003",
"company": "Emerson Process Management Power & Water Solutions, Inc.",
"address": "200 Beta Drive, PITTSBURGH PA 15238, US",
"country": "US",
"blockStart": "004003000000",
"blockEnd": "004003FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}