MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 00:23:C5 (Radiation Safety and Control Services Inc)
MAC address prefix 00:23:C5 is registered to Radiation Safety and Control Services Inc, located at 91 Portsmouth Ave, Stratham New Hampshire 03885, 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 25 October 2008, with the most recent update made on 17 November 2015.
Vendor & Registry Dossier
Assigned Prefix
00:23:C5
Registrant / Organization
Registry Chronology
Initial registration: 25 October 2008
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
91 Portsmouth Ave
Stratham New Hampshire 03885
US.
Stratham New Hampshire 03885
US.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/0023c5 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "0023C5",
"company": "Radiation Safety and Control Services Inc",
"address": "91 Portsmouth Ave, Stratham New Hampshire 03885, US",
"country": "US",
"blockStart": "0023C5000000",
"blockEnd": "0023C5FFFFFF",
"blockSize": 16777215,
"blockType": "MA-L",
"updated": "2015-11-17",
"isRand": false,
"isPrivate": false
}