MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 40:E7:30 (DEY Storage Systems, Inc.)
MAC address prefix 40:E7:30 is registered to DEY Storage Systems, Inc., located at 215 South B Street, San Mateo CA 94401, 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 16 January 2013, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
40:E7:30
Registrant / Organization
Registry Chronology
Initial registration: 16 January 2013
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
215 South B Street
San Mateo CA 94401
US.
San Mateo CA 94401
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/40e730 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "40E730",
"company": "DEY Storage Systems, Inc.",
"address": "215 South B Street, San Mateo CA 94401, US",
"country": "US",
"blockStart": "40E730000000",
"blockEnd": "40E730FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}