MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:12:D4 (Princeton Technology, Ltd)
MAC address prefix 00:12:D4 is registered to Princeton Technology, Ltd, located at K.A.I. Bldg. 3F, Chiyodaku Tokyo 101-0032, 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 16 November 2004, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:12:D4
Registrant / Organization
Registry Chronology
Initial registration: 16 November 2004
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
K.A.I. Bldg. 3F
Chiyodaku Tokyo 101-0032
JP.
Chiyodaku Tokyo 101-0032
JP.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/0012d4 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "0012D4",
"company": "Princeton Technology, Ltd",
"address": "K.A.I. Bldg. 3F, Chiyodaku Tokyo 101-0032, JP",
"country": "JP",
"blockStart": "0012D4000000",
"blockEnd": "0012D4FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}