MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:40:66 (APRESIA Systems Ltd)
MAC address prefix 00:40:66 is registered to APRESIA Systems Ltd, located at Tsukuba Network Technical Center, Kidamari 3550, Tsuchiura-shi Ibaraki-ken 300-0026, JP. 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 02 June 2021.
Vendor & Registry Dossier
Assigned Prefix
00:40:66
Registrant / Organization
Registry Chronology
Initial registration: 22 April 1998
Last updated: 02 June 2021
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Japan (JP)
Headquarters Registered Facility 🇯🇵 JP
Tsukuba Network Technical Center
Kidamari 3550
Tsuchiura-shi Ibaraki-ken 300-0026
JP.
Kidamari 3550
Tsuchiura-shi Ibaraki-ken 300-0026
JP.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/004066 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "004066",
"company": "APRESIA Systems Ltd",
"address": "Tsukuba Network Technical Center, Kidamari 3550, Tsuchiura-shi Ibaraki-ken 300-0026, JP",
"country": "JP",
"blockStart": "004066000000",
"blockEnd": "004066FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2021-06-02",
"isRand": false,
"isPrivate": false
}