IsInSameSubnet(IPAddress,IPAddress,IPAddress) Method

Test to see if the IP address is in the same subnet as the source IP address

Syntax

public static bool IsInSameSubnet( 
   IPAddress address1,
   IPAddress address2,
   IPAddress subnetMask
)

Parameters

address1: Firs address
address2: Second address
subnetMask: The subnet mash used to compute

Exceptions

Exception	Description
System.ArgumentException	Either IP address was null.
System.ArgumentException	Lengths of IP address and subnet mask do not match if IP subnet does not belongs to IP address.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

NetworkExtensionMethods Class
NetworkExtensionMethods Members
Overload List