asp.net 获取 IP信息

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net;
using System.Net.NetworkInformation;
using System.Data.OleDb;
using System.Data.Odbc;
using System.Text;
public partial class getIpByServer : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string myIP,myMac;
System.Net.IPAddress[] addressList = Dns.GetHostByName(Dns.GetHostName()).AddressList;
if ( addressList.Length>1)
{
myIP = addressList[0].ToString();
myMac = addressList[1].ToString();
}
else
{
myIP = addressList[0].ToString();
myMac = "没有可用的连接";
}

string ip = Request.ServerVariables["REMOTE_ADDR"].ToString();

Response.Write("SIP:" + myIP + "<br>");
Response.Write("MAC:" + myMac + "<br>");
Response.Write("CIP:" + ip + "<br>");

NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in adapters)
{

IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
IPAddressCollection dnsServers = adapterProperties.DnsAddresses;
if (dnsServers.Count > 0)
{
Response.Write(adapter.Description); //网卡的信息
foreach (IPAddress dns in dnsServers)
{
Response.Write(" DNS Servers: " + dns + "<br>"); //所配置的DNS
}
}
}

getIPByWryDll();

getIPByQQWry();

}
private void getIPByWryDll()
{
string ip = "218.5.2.214";//Request.ServerVariables["REMOTE_ADDR"].ToString();
string[] a = ip.Trim().Split('.');
string nIp = "";
for (int i = 0; i < 4; i++)
nIp += "0000".Remove(3 - a[i].Length) + a[i];

//查询数据库

System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection();
conn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Engine Type=5;Jet OLEDB:Database Locking Mode=0;Data Source=" + AppDomain.CurrentDomain.BaseDirectory + @"/access/Database1.mdb";
conn.Open();
System.Data.OleDb.OleDbCommand command = conn.CreateCommand();

string strSel = "SELECT * FROM wry WHERE (mid(StartIP, 1, 3) + mid(StartIP, 5, 3) + mid(StartIP, 9, 3) + mid(StartIP, 13, 3) <= '" + nIp + "') AND (mid(EndIP, 1, 3) + mid(EndIP, 5, 3) + mid(EndIP, 9, 3) + mid(EndIP, 13, 3) >='" + nIp + "') ORDER BY [Local] DESC, StartIP DESC";
command.CommandText = strSel;
//完成连接字符串
System.Data.OleDb.OleDbDataAdapter oda = new System.Data.OleDb.OleDbDataAdapter(command);
DataSet ds = new DataSet();
oda.Fill(ds, "table1");
if(ds.Tables["table1"].Rows.Count>0)
{
GridView1.DataSource = ds.Tables["table1"];
GridView1.DataBind();

}
conn.Close();

}

private void getIPByQQWry()
{
IPScanner objScan = new IPScanner();
string ip = "218.5.2.214"; //Request.ServerVariables.Get("REMOTE_ADDR");//自动获取用户IP
objScan.DataPath = AppDomain.CurrentDomain.BaseDirectory + @"/access/QQWry.Dat";
objScan.IP = ip;
string addre = objScan.IPLocation();
string err = objScan.ErrMsg;
Response.Write("IP:" + ip + "<br>");
Response.Write("addre:" + addre + "<br>");

}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.IO;
using System.Collections;
using System.Text;
using System.Text.RegularExpressions;
public class IPScanner
{
#region 私有成员
private string dataPath;
private string ip;
private string country;
private string local;

private long firstStartIp = 0;
private long lastStartIp = 0;
private FileStream objfs = null;
private long startIp = 0;
private long endIp = 0;
private int countryFlag = 0;
private long endIpOff = 0;
private string errMsg = null;
#endregion

#region 构造函数
public IPScanner()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
#endregion

#region 公共属性
public string DataPath
{
set { dataPath = value; }
}
public string IP
{
set { ip = value; }
}
public string Country
{
get { return country; }
}
public string Local
{
get { return local; }
}
public string ErrMsg
{
get { return errMsg; }
}
#endregion

#region 搜索匹配数据
private int QQwry()
{
string pattern = @"(((/d{1,2})|(1/d{2})|(2[0-4]/d)|(25[0-5]))/.){3}((/d{1,2})|(1/d{2})|(2[0-4]/d)|(25[0-5]))";
Regex objRe = new Regex(pattern);
Match objMa = objRe.Match(ip);
if (!objMa.Success)
{
this.errMsg = "IP格式错误";
return 4;
}

long ip_Int = this.IpToInt(ip);
int nRet = 0;
if (ip_Int >= IpToInt("127.0.0.0") && ip_Int <= IpToInt("127.255.255.255"))
{
this.country = "本机内部环回地址";
this.local = "";
nRet = 1;
}
else if ((ip_Int >= IpToInt("0.0.0.0") && ip_Int <= IpToInt("2.255.255.255")) || (ip_Int >= IpToInt("64.0.0.0") && ip_Int <= IpToInt("126.255.255.255")) || (ip_Int >= IpToInt("58.0.0.0") && ip_Int <= IpToInt("60.255.255.255")))
{
this.country = "网络保留地址";
this.local = "";
nRet = 1;
}
objfs = new FileStream(this.dataPath, FileMode.Open, FileAccess.Read);
try
{
//objfs.Seek(0,SeekOrigin.Begin);
objfs.Position = 0;
byte[] buff = new Byte[8];
objfs.Read(buff, 0, 8);
firstStartIp = buff[0] + buff[1] * 256 + buff[2] * 256 * 256 + buff[3] * 256 * 256 * 256;
lastStartIp = buff[4] * 1 + buff[5] * 256 + buff[6] * 256 * 256 + buff[7] * 256 * 256 * 256;
long recordCount = Convert.ToInt64((lastStartIp - firstStartIp) / 7.0);
if (recordCount <= 1)
{
country = "FileDataError";
objfs.Close();
return 2;
}
long rangE = recordCount;
long rangB = 0;
long recNO = 0;
while (rangB < rangE - 1)
{
recNO = (rangE + rangB) / 2;
this.GetStartIp(recNO);
if (ip_Int == this.startIp)
{
rangB = recNO;
break;
}
if (ip_Int > this.startIp)
rangB = recNO;
else
rangE = recNO;
}
this.GetStartIp(rangB);
this.GetEndIp();
if (this.startIp <= ip_Int && this.endIp >= ip_Int)
{
this.GetCountry();
this.local = this.local.Replace("（中国台湾）", "");
}
else
{
nRet = 3;
this.country = "未知";
this.local = "";
}
objfs.Close();
return nRet;
}
catch
{
return 1;
}

}
#endregion

#region IP地址转换成Int数据
private long IpToInt(string ip)
{
char[] dot = new char[] { '.' };
string[] ipArr = ip.Split(dot);
if (ipArr.Length == 3)
ip = ip + ".0";
ipArr = ip.Split(dot);

long ip_Int = 0;
long p1 = long.Parse(ipArr[0]) * 256 * 256 * 256;
long p2 = long.Parse(ipArr[1]) * 256 * 256;
long p3 = long.Parse(ipArr[2]) * 256;
long p4 = long.Parse(ipArr[3]);
ip_Int = p1 + p2 + p3 + p4;
return ip_Int;
}
#endregion

#region int转换成IP
private string IntToIP(long ip_Int)
{
long seg1 = (ip_Int & 0xff000000) >> 24;
if (seg1 < 0)
seg1 += 0x100;
long seg2 = (ip_Int & 0x00ff0000) >> 16;
if (seg2 < 0)
seg2 += 0x100;
long seg3 = (ip_Int & 0x0000ff00) >> 8;
if (seg3 < 0)
seg3 += 0x100;
long seg4 = (ip_Int & 0x000000ff);
if (seg4 < 0)
seg4 += 0x100;
string ip = seg1.ToString() + "." + seg2.ToString() + "." + seg3.ToString() + "." + seg4.ToString();

return ip;
}
#endregion

#region 获取起始IP范围
private long GetStartIp(long recNO)
{
long offSet = firstStartIp + recNO * 7;
//objfs.Seek(offSet,SeekOrigin.Begin);
objfs.Position = offSet;
byte[] buff = new Byte[7];
objfs.Read(buff, 0, 7);

endIpOff = Convert.ToInt64(buff[4].ToString()) + Convert.ToInt64(buff[5].ToString()) * 256 + Convert.ToInt64(buff[6].ToString()) * 256 * 256;
startIp = Convert.ToInt64(buff[0].ToString()) + Convert.ToInt64(buff[1].ToString()) * 256 + Convert.ToInt64(buff[2].ToString()) * 256 * 256 + Convert.ToInt64(buff[3].ToString()) * 256 * 256 * 256;
return startIp;
}
#endregion

#region 获取结束IP
private long GetEndIp()
{
//objfs.Seek(endIpOff,SeekOrigin.Begin);
objfs.Position = endIpOff;
byte[] buff = new Byte[5];
objfs.Read(buff, 0, 5);
this.endIp = Convert.ToInt64(buff[0].ToString()) + Convert.ToInt64(buff[1].ToString()) * 256 + Convert.ToInt64(buff[2].ToString()) * 256 * 256 + Convert.ToInt64(buff[3].ToString()) * 256 * 256 * 256;
this.countryFlag = buff[4];
return this.endIp;
}
#endregion

#region 获取国家/区域偏移量
private string GetCountry()
{
switch (this.countryFlag)
{
case 1:
case 2:
this.country = GetFlagStr(this.endIpOff + 4);
this.local = (1 == this.countryFlag) ? " " : this.GetFlagStr(this.endIpOff + 8);
break;
default:
this.country = this.GetFlagStr(this.endIpOff + 4);
this.local = this.GetFlagStr(objfs.Position);
break;
}
return " ";
}
#endregion

#region 获取国家/区域字符串
private string GetFlagStr(long offSet)
{
int flag = 0;
byte[] buff = new Byte[3];
while (1 == 1)
{
//objfs.Seek(offSet,SeekOrigin.Begin);
objfs.Position = offSet;
flag = objfs.ReadByte();
if (flag == 1 || flag == 2)
{
objfs.Read(buff, 0, 3);
if (flag == 2)
{
this.countryFlag = 2;
this.endIpOff = offSet - 4;
}
offSet = Convert.ToInt64(buff[0].ToString()) + Convert.ToInt64(buff[1].ToString()) * 256 + Convert.ToInt64(buff[2].ToString()) * 256 * 256;
}
else
{
break;
}
}
if (offSet < 12)
return " ";
objfs.Position = offSet;
return GetStr();
}
#endregion

#region GetStr
private string GetStr()
{
byte lowC = 0;
byte upC = 0;
string str = "";
byte[] buff = new byte[2];
while (1 == 1)
{
lowC = (Byte)objfs.ReadByte();
if (lowC == 0)
break;
if (lowC > 127)
{
upC = (byte)objfs.ReadByte();
buff[0] = lowC;
buff[1] = upC;
System.Text.Encoding enc = System.Text.Encoding.GetEncoding("GB2312");
str += enc.GetString(buff);
}
else
{
str += (char)lowC;
}
}
return str;
}
#endregion

#region 获取IP地址
public string IPLocation()
{
this.QQwry();
return this.country + this.local;
}
public string IPLocation(string dataPath, string ip)
{
this.dataPath = dataPath;
this.ip = ip;
this.QQwry();
return this.country + this.local;
}

#endregion

}