MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 8C:1F:64:65:5 (S.E.I. CO.,LTD.)
MAC address prefix 8C:1F:64:65:5 is registered to S.E.I. CO.,LTD., located at 59 Nirayama Tada, Izunokuni Shizuoka 4102133, JP. This registration is classified as MA-S (MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12). The prefix was registered on 20 November 2021, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
8C:1F:64:65:5
Registrant / Organization
Registry Chronology
Initial registration: 20 November 2021
Assignment Classification
MA-S
(MAC Address Block Small, formerly known as OUI-36) containing 4,096 MAC addresses (2^12)
Registered Location
Country: Japan (JP)
Headquarters Registered Facility 🇯🇵 JP
59 Nirayama Tada
Izunokuni Shizuoka 4102133
JP.
Izunokuni Shizuoka 4102133
JP.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/8c1f64655 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "8C1F64655",
"company": "S.E.I. CO.,LTD.",
"address": "59 Nirayama Tada, Izunokuni Shizuoka 4102133, JP",
"country": "JP",
"blockStart": "8C1F64655000",
"blockEnd": "8C1F64655FFF",
"blockSize": 4095,
"blockType": "MA-S",
"updated": "2021-11-20",
"isRand": false,
"isPrivate": false
}