public struct IP
{
public byte A;
public byte B;
public byte C;
public byte D;
public IP(byte[] ba)
{
A = ba[0];
B = ba[1];
C = ba[2];
D = ba[3];
}
}
public static void IPSection(IPAddress ip1, IPAddress ip2)
{
IP x = new IP(ip1.GetAddressBytes());
IP y = new IP(ip2.GetAddressBytes());
byte secStart = 1;
byte secEnd = 254;
for (byte a = x.A; a <= y.A; a++)
{
byte bStart = (a == x.A ? x.B : secStart);
byte bEnd = (a == y.A ? y.B : secEnd);
for (byte b = bStart; b <= bEnd; b++)
{
byte cStart = (a == x.A && b == x.B) ? x.C : secStart;
byte cEnd = (a == y.A && b == y.B) ? y.C : secEnd;
for (byte c = cStart; c <= cEnd; c++)
{
byte dStart = (a == x.A && b == x.B && c == x.C) ? x.D : secStart;
byte dEnd = (a == y.A && b == y.B && c == y.C) ? y.D : secEnd;
for (byte d = dStart; d <= dEnd; d++)
{
OutputIpAddress(a, b, c, d);
}
}
}
}
}
========================
string ipStr1 = "1.1.1.1";
string ipStr2 = "1.1.2.2";
string[] ipArray1 = ipStr1.Split(new char[] { '.' });
string[] ipArray2 = ipStr2.Split(new char[] { '.' });
long ipStart = 256 * 256 * 256 * long.Parse(ipArray1[0]) + 256 * 256 * long.Parse(ipArray1[1]) + 256 * long.Parse(ipArray1[2]) + long.Parse(ipArray1[3]);
long ipEnd = 256 * 256 * 256 * long.Parse(ipArray2[0]) + 256 * 256 * long.Parse(ipArray2[1]) + 256 * long.Parse(ipArray2[2]) + long.Parse(ipArray2[3]);
List<string> SearchIPArray = new List<string>();
for (long i = ipStart; i <= ipEnd; i++)
{
long tmp = i;
long a = tmp / (256 * 256 * 256);
tmp -= a * (256 * 256 * 256);
long b = tmp / (256 * 256);
tmp -= b * 256 * 256;
long c = tmp / 256;
tmp -= c * 256;
long d = tmp;
SearchIPArray.Add(a.ToString() + "." + b.ToString() + "." + c.ToString() + "." + d.ToString());
}