MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:40:1C (AST RESEARCH, INC.)
MAC address prefix 00:40:1C is registered to AST RESEARCH, INC., located at MS 2-78, IRVINE CA 92618, 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
00:40:1C
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
MS 2-78
IRVINE CA 92618
US.
IRVINE CA 92618
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/00401c -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "00401C",
"company": "AST RESEARCH, INC.",
"address": "MS 2-78, IRVINE CA 92618, US",
"country": "US",
"blockStart": "00401C000000",
"blockEnd": "00401CFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}