Find IP address and location of FTP sites

Question

Hi friends,

I am trying to find out the IP address,ISP name (internet service provider) and Location of the FTP site.Now, i am in trouble with to find ip address for FTP site.
for example

System.Net.IPAddress[] sIPAddress = null;
sIPAddress= System.net.Dns.GetHostAddresses("ftp://www.c-sharpcorner.com");


it raise some error
" Cannot implicitly convert type 'System.Net.IPAddress[]' "

is there any possible solutions to find IP address for FTP sites and there is any way to find the ISP name and location for that IP address. any solutions could appreciated.

regards,
sasi