public int GetIpsOfNetrange(NetRange netrange)
{
var p1 = int.Parse(netrange.to.Split('.')[0]) - (int.Parse(netrange.from.Split('.')[0]));
var p2 = int.Parse(netrange.to.Split('.')[1]) - (int.Parse(netrange.from.Split('.')[1]));
var p3 = int.Parse(netrange.to.Split('.')[2]) - (int.Parse(netrange.from.Split('.')[2]));
var p4 = int.Parse(netrange.to.Split('.')[3]) - (int.Parse(netrange.from.Split('.')[3]));
if (p1 == 0)
{
p1 = 1;
}
if (p2 == 0)
{
p2 = 1;
}
if (p3 == 0)
{
p3 = 1;
}
if (p4 == 0)
{
p4 = 1;
}
return(p1 * p2 * p3 * p4);
}
private static NetRange API(string ip)
{
// send request to json endpoint
HttpWebRequest r = (HttpWebRequest)HttpWebRequest.Create("https://stat.ripe.net/data/whois/data.json?resource=" + ip.ToString());
r.UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0";
r.Headers.Add("Upgrade-Insecure-Requests: 1");
r.Method = "GET";
r.Headers.Add(HttpRequestHeader.Cookie, "serverid=www-plone-3; path=/");
// parse response
HttpWebResponse resp = (HttpWebResponse)r.GetResponse();
string response;
using (var sr = new StreamReader(resp.GetResponseStream())) {
response = sr.ReadToEnd();
}
try
{
// get netrange (if any)
JObject json = JObject.Parse(response);
string netrange = json["data"]["records"][0][0]["value"].ToString();
var ips = NetRange.GetNetRangeIPs(netrange);
return(new NetRange(ips[0], ips[1], "netrangeObtainedFromRipe"));
}
catch (Exception)
{
// if there wasn't any netrange, return whole 0.0.0.0 to 255.255.255.255
return(new NetRange("0.0.0.0", "255.255.255.255", "ripe_noNetRangeFound"));
}
}
/// <summary>
/// Validate if Ip is in NetRange.
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public bool IsIpInNetrange(string ip)
{
for (int i = 0; i < LstNetRange.Count; i++)
{
NetRange netrange = LstNetRange[i];
if (netrange == null)
{
return(true);
}
if (netrange.IsIpInNetrange(ip))
{
return(true);
}
}
return(false);
}
public List <string> GenerateIpsOfNetrange(NetRange netrange)
{
var lstIps = new List <string>();
try
{
int[] rangeFrom =
{
int.Parse(netrange.from.Split('.')[0]),
int.Parse(netrange.from.Split('.')[1]),
int.Parse(netrange.from.Split('.')[2]),
int.Parse(netrange.from.Split('.')[3])
};
int[] rangeTo =
{
int.Parse(netrange.to.Split('.')[0]),
int.Parse(netrange.to.Split('.')[1]),
int.Parse(netrange.to.Split('.')[2]),
int.Parse(netrange.to.Split('.')[3])
};
while (
(
rangeFrom[0] + "." + rangeFrom[1] + "." + rangeFrom[2] + "." + rangeFrom[3])
!=
(rangeTo[0] + "." + rangeTo[1] + "." + rangeTo[2] + "." + rangeTo[3]))
{
var ip = rangeFrom[0] + "." + rangeFrom[1] + "." + rangeFrom[2] + "." + rangeFrom[3];
lstIps.Add(ip);
if (rangeFrom[3] == 255)
{
rangeFrom[3] = 0;
if (rangeFrom[2] == 255)
{
rangeFrom[2] = 0;
if (rangeFrom[1] == 255)
{
rangeFrom[1] = 0;
rangeFrom[0]++;
if (rangeFrom[0] == 225 + 1)
{
break;
}
}
else
{
rangeFrom[1]++;
}
}
else
{
rangeFrom[2]++;
}
}
else
{
rangeFrom[3]++;
}
}
return(lstIps);
}
catch
{
return(lstIps);
}
}
public NetRange GetNetrange(string ip)
{
return(NetRange.GetNetrange(ip));
}