MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:40:E7 (ARNOS INSTRUMENTS & COMPUTER)
MAC address prefix 00:40:E7 is registered to ARNOS INSTRUMENTS & COMPUTER, located at SYSTEMS (GROUP) CO., LTD., TSUEN WAN N.T., HK. 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 22 April 1998, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:40:E7
Registrant / Organization
Registry Chronology
Initial registration: 22 April 1998
Last updated: 17 November 2015
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Hong Kong SAR China (HK)
Headquarters Registered Facility 🇭🇰 HK
SYSTEMS (GROUP) CO.
LTD.
TSUEN WAN N.T.
HK.
LTD.
TSUEN WAN N.T.
HK.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/0040e7 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "0040E7",
"company": "ARNOS INSTRUMENTS & COMPUTER",
"address": "SYSTEMS (GROUP) CO., LTD., TSUEN WAN N.T., HK",
"country": "HK",
"blockStart": "0040E7000000",
"blockEnd": "0040E7FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}