public bool Check_IpRange(string ip)
{
bool flag = false;
try
{
IPAddress cip = IPAddress.Parse(ip);
IPAddressRange ipr_local_v4 = new IPAddressRange(IPAddress.Parse("127.0.0.0"), IPAddress.Parse("127.0.0.255"));
IPAddressRange ipr_local_v6 = new IPAddressRange(IPAddress.Parse("::1"), IPAddress.Parse("::1"));
IPAddressRange ipr_nicnet_local = new IPAddressRange(IPAddress.Parse("10.0.0.0"), IPAddress.Parse("10.255.255.255"));
IPAddressRange ipr_nicnet_public = new IPAddressRange(IPAddress.Parse("164.100.0.0"), IPAddress.Parse("164.100.255.255"));
if (ipr_local_v4.IsInRange(cip))
{
flag = true;
}
else if (ipr_local_v6.IsInRange(cip))
{
flag = true;
}
else if (ipr_nicnet_local.IsInRange(cip))
{
flag = true;
}
else if (ipr_nicnet_public.IsInRange(cip))
{
flag = true;
}
}
catch { }
return(flag);
}
public static string GetIPClassFamily2(string ipAddress)
{
if (string.IsNullOrEmpty(ipAddress))
return "unknown";
IPAddressRange range = new IPAddressRange(IPAddress.Parse("0.0.0.0"), IPAddress.Parse("127.255.255.255"));
if (range.IsInRange(IPAddress.Parse(ipAddress)))
{
return "A";
}
else
{
range = new IPAddressRange(IPAddress.Parse("128.0.0.0"), IPAddress.Parse("191.255.255.255"));
if (range.IsInRange(IPAddress.Parse(ipAddress)))
{
return "B";
}
else
{
range = new IPAddressRange(IPAddress.Parse("192.0.0.0"), IPAddress.Parse("223.255.255.255"));
if (range.IsInRange(IPAddress.Parse(ipAddress)))
{
return "C";
}
else
{
return "unknown";
}
}
}
}
public void IsInRange_Fail()
{
//arrange
IPAddressRange range = new IPAddressRange(IPAddress.Parse("85.255.19.0"), IPAddress.Parse("85.255.19.240"));
//action
bool actual = range.IsInRange(IPAddress.Parse("85.255.19.243"));
//assert
Assert.IsFalse(actual);
}
public void IsInRange_Success()
{
//arrange
IPAddressRange range = new IPAddressRange(IPAddress.Parse("85.255.19.0"), IPAddress.Parse("85.255.19.255"));
//action
bool actual = range.IsInRange(IPAddress.Parse("85.255.19.3"));
//assert
Assert.IsTrue(actual);
}
public void InRange(string ipV4string, bool isExpectedInRange)
{
IPAddress lower = IPAddress.Parse("192.168.4.10");
IPAddress upper = IPAddress.Parse("192.168.4.20");
IPAddressRange range = new IPAddressRange(lower, upper);
IPAddress testCase = IPAddress.Parse(ipV4string);
Assert.AreEqual(isExpectedInRange, range.IsInRange(testCase));
}