MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 44:59:9F (Criticare Systems, Inc)
MAC address prefix 44:59:9F is registered to Criticare Systems, Inc, located at 20925 Crossroads Circle, Waukasha WI 53186, 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 24 November 2010, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
44:59:9F
Registrant / Organization
Registry Chronology
Initial registration: 24 November 2010
Last updated: 17 November 2015
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
20925 Crossroads Circle
Waukasha WI 53186
US.
Waukasha WI 53186
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/44599f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "44599F",
"company": "Criticare Systems, Inc",
"address": "20925 Crossroads Circle, Waukasha WI 53186, US",
"country": "US",
"blockStart": "44599F000000",
"blockEnd": "44599FFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}