MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address D4:94:5A (COSMO CO., LTD)
MAC address prefix D4:94:5A is registered to COSMO CO., LTD, located at 1-12, Higashi-Gotanda 2-chome, Shinagawa-ku Tokyo 141-0022, 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 17 March 2011, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
D4:94:5A
Registrant / Organization
Registry Chronology
Initial registration: 17 March 2011
Last updated: 17 November 2015
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
1-12
Higashi-Gotanda 2-chome
Shinagawa-ku Tokyo 141-0022
JP.
Higashi-Gotanda 2-chome
Shinagawa-ku Tokyo 141-0022
JP.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/d4945a -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "D4945A",
"company": "COSMO CO., LTD",
"address": "1-12, Higashi-Gotanda 2-chome, Shinagawa-ku Tokyo 141-0022, JP",
"country": "JP",
"blockStart": "D4945A000000",
"blockEnd": "D4945AFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}