MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
MAC address 40:D8:55:11:7 (RCS Energy Management Limited)
MAC address prefix 40:D8:55:11:7 is registered to RCS Energy Management Limited, located at RMS House, Newbury Berkshire RG14 5PX, GB. This registration is classified as IAB (Individual Address Block). The prefix was initially registered on 29 August 2013, with the most recent update made on 29 August 2015.
Vendor & Registry Dossier
Assigned Prefix
40:D8:55:11:7
Registrant / Organization
Registry Chronology
Initial registration: 29 August 2013
Last updated: 29 August 2015
Assignment Classification
IAB
(Individual Address Block)
Registered Location
Country: United Kingdom (GB)
Headquarters Registered Facility 🇬🇧 GB
RMS House
Newbury Berkshire RG14 5PX
GB.
Newbury Berkshire RG14 5PX
GB.
REST API v2
200 OK
CLI
curl -s https://api.maclookup.app/v2/macs/40d855117 -H 'Accept: application/json'{
"success": true,
"found": true,
"macPrefix": "40D855117",
"company": "RCS Energy Management Limited",
"address": "RMS House, Newbury Berkshire RG14 5PX, GB",
"country": "GB",
"blockStart": "40D855117000",
"blockEnd": "40D855117FFF",
"blockSize": 4095,
"blockType": "IAB",
"updated": "2015-08-29",
"isRand": false,
"isPrivate": false
}