MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:04:3F (ESTeem Wireless Modems, Inc)
MAC address prefix 00:04:3F is registered to ESTeem Wireless Modems, Inc, located at 415 N. Quay St., Suite 4, Kennewick WA 99336, 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 04 December 2000, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:04:3F
Registrant / Organization
Registry Chronology
Initial registration: 04 December 2000
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
415 N. Quay St.
Suite 4
Kennewick WA 99336
US.
Suite 4
Kennewick WA 99336
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/00043f -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "00043F",
"company": "ESTeem Wireless Modems, Inc",
"address": "415 N. Quay St., Suite 4, Kennewick WA 99336, US",
"country": "US",
"blockStart": "00043F000000",
"blockEnd": "00043FFFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}