Do an nmap scan of your client
The address scanned might not be the one below. The code runs either a IPV6 or an IPV4 scan depending on the type of IP address your client is using. The address that will be scanned will be what the server side sees as $REMOTE_ADDR variable. Note also that the IP address that is scanned will be recorded in a file though the results are not. The scan output screen can take up to four minutes to appear. Click the first entry to try it with out the scan.