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In this issue we discuss how to get the IP address from a domain name. This can be useful for debugging network problems. We have several issues planned to enhance this class to include ping and traceroute functions direct from Visual Basic. If you are interested in more details, contact firstname.lastname@example.org
If you have any questions about using this module, let us know at email@example.com
This class module provides a simple way to get the IP address by name. If you use this function on the Internet it will figure out the IP address of a domain name. If you use it on your intranet it might return the name of a machine found in your hosts file. It uses the winsock libraries to gather this information.
Public Sub Initialize()
This method needs to be called before the any other routines in this class module. It is the one that initializes the winsock library.
Public Function GetIPAddress(ByVal sLookupName As String) As String
Returns the IP address of a network name (such as a domain name). For example codeoftheweek.com returns 184.108.40.206
The below sample shows will determine the IP address of codeoftheweek.com.
Dim ICMP As New cICMP ICMP.Initialize MsgBox "codeoftheweek.com IP address is " & ICMP.GetIPAddress("codeoftheweek.com") Set ICMP = Nothing
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