MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 58:21:E9 (TWPI)
MAC address prefix 58:21:E9 is registered to TWPI, located at PMB# 335; 1121 Annapolis Road, Odenton MD 21113, US. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was registered on 11 December 2017, and no subsequent updates have been recorded.
Vendor & Registry Dossier
Assigned Prefix
58:21:E9
Registrant / Organization
Registry Chronology
Initial registration: 11 December 2017
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
PMB# 335; 1121 Annapolis Road
Odenton MD 21113
US.
Odenton MD 21113
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/5821e9 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "5821E9",
"company": "TWPI",
"address": "PMB# 335; 1121 Annapolis Road, Odenton MD 21113, US",
"country": "US",
"blockStart": "5821E9000000",
"blockEnd": "5821E9FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2017-12-11",
"isRand": false,
"isPrivate": false
}