MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address A4:5E:5A (ACTIVIO Inc.)
MAC address prefix A4:5E:5A is registered to ACTIVIO Inc., located at Takeuchi Lorie Bldg. Room 503, 1-34-12, Takadanobaba, Shinjuku-ku Tokyo 1690075, JP. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 25 November 2020, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
A4:5E:5A
Registrant / Organization
Registry Chronology
Initial registration: 25 November 2020
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
Takeuchi Lorie Bldg. Room 503
1-34-12
Takadanobaba
Shinjuku-ku Tokyo 1690075
JP.
1-34-12
Takadanobaba
Shinjuku-ku Tokyo 1690075
JP.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/a45e5a -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "A45E5A",
"company": "ACTIVIO Inc.",
"address": "Takeuchi Lorie Bldg. Room 503, 1-34-12, Takadanobaba, Shinjuku-ku Tokyo 1690075, JP",
"country": "JP",
"blockStart": "A45E5A000000",
"blockEnd": "A45E5AFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2020-11-25",
"isRand": false,
"isPrivate": false
}