MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:03:B1 (ICU Medical, Inc.)
MAC address prefix 00:03:B1 is registered to ICU Medical, Inc., located at 951 Calle Amanecer, San Clemente CA 92673, US. 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 09 November 2000, with the most recent update made on 11 June 2022.
Vendor & Registry Dossier
Assigned Prefix
00:03:B1
Registrant / Organization
Registry Chronology
Initial registration: 09 November 2000
Last updated: 11 June 2022
Assignment Classification
MA-L
(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)
Registered Location
Country: United States (US)
Headquarters Registered Facility 🇺🇸 US
951 Calle Amanecer
San Clemente CA 92673
US.
San Clemente CA 92673
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/0003b1 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "0003B1",
"company": "ICU Medical, Inc.",
"address": "951 Calle Amanecer, San Clemente CA 92673, US",
"country": "US",
"blockStart": "0003B1000000",
"blockEnd": "0003B1FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2022-06-11",
"isRand": false,
"isPrivate": false
}