MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:0B:9D (TwinMOS Technologies Inc.)
MAC address prefix 00:0B:9D is registered to TwinMOS Technologies Inc., located at 303 No.3, Tzu Chiang Rd., Hu Kou Xiang, Hsin Chu 303, TW. 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 07 February 2003, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:0B:9D
Registrant / Organization
Registry Chronology
Initial registration: 07 February 2003
Last updated: 17 November 2015
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: Taiwan (TW)
Headquarters Registered Facility 🇹🇼 TW
303 No.3
Tzu Chiang Rd.
Hu Kou Xiang
Hsin Chu 303
TW.
Tzu Chiang Rd.
Hu Kou Xiang
Hsin Chu 303
TW.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/000b9d -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "000B9D",
"company": "TwinMOS Technologies Inc.",
"address": "303 No.3, Tzu Chiang Rd., Hu Kou Xiang, Hsin Chu 303, TW",
"country": "TW",
"blockStart": "000B9D000000",
"blockEnd": "000B9DFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}