通过IP地址差看实际地址,这对于一个网站是非常实用的东西.
下面是纯真IP库的查询类:
<% '========================================================= ' QQWry.DAT 利用程序 修改自互联网流传代码 ' 本类在ASP环境中使用纯真版QQWry.dat通过完美测试 ' 如果您的服务器环境不支持ADodb.Stream,将无法使用此程序 ' 推荐使用纯真数据库,更新也方便 ' ======================================================== ' ============================================ ' 返回IP信息 ' ============================================ Function Look_Ip(IP) Dim Wry, IPType, QQWryVersion, IpCounter ' 设置类对象 Set Wry = New TQQWry ' 开始搜索,并返回搜索结果 ' 您可以根据 QQWry(IP) 返回值来判断该IP地址在数据库中是否存在,如果不存在可以执行其他的一些操作 ' 比如您自建一个数据库作为追捕等,这里我就不详细说明了 IPType = Wry.QQWry(IP) ' Country:国家地区字段 ' LocalStr:省市及其他信息字段 Look_Ip = Wry.Country & " " & Wry.LocalStr End Function ' ============================================ ' 返回IP信息 JS调用 ' ============================================ Function GetIpInfoAv(IP, sType) Dim Wry, IPType Set Wry = New TQQWry IPType = Wry.QQWry(IP) Select Case sType Case 1 GetIpInfoAv = "document.write(""" & IP & """);" Case 2 GetIpInfoAv = "document.write(""" & Wry.Country & """);" Case 3 GetIpInfoAv = "document.write(""" & Wry.LocalStr & """);" Case Else GetIpInfoAv = "document.write(""您来自:" & IP & " 所在区域:" & Wry.Country & " " & Wry.LocalStr & """);" End Select End Function ' ============================================ ' 返回QQWry信息 ' ============================================ Function WryInfo() Dim Wry, IPType, QQWry(1) ' 设置类对象 Set Wry = New TQQWry IPType = Wry.QQWry("255.255.255.255") ' 读取数据库版本信息 QQWry(0) = Wry.Country & " " & Wry.LocalStr ' 读取数据库IP地址数目 QQWry(1) = Wry.RecordCount + 1 WryInfo = QQWry End Function ' ============================================ ' 侠情江湖IP物理定位搜索类 ' ============================================ Class TQQWry ' ============================================ ' 变量声名 ' ============================================ Dim Country, LocalStr, Buf, OffSet Private StartIP, EndIP, CountryFlag Public QQWryFile Public FirstStartIP, LastStartIP, RecordCount Private Stream, EndIPOff ' ============================================ ' 类模块初始化 ' ============================================ Private Sub Class_Initialize Country = "" LocalStr = "" StartIP = 0 EndIP = 0 CountryFlag = 0 FirstStartIP = 0 LastStartIP = 0 EndIPOff = 0 QQWryFile = Server.MapPath("QQWry.dat") 'QQ IP库路径,要转换成物理路径 End Sub ' ============================================ ' IP地址转换成整数 ' ============================================ Function IPToInt(IP) Dim IPArray, i IPArray = Split(IP, ".", -1) FOr i = 0 to 3 If Not IsNumeric(IPArray(i)) Then IPArray(i) = 0 If CInt(IPArray(i)) < 0 Then IPArray(i) = Abs(CInt(IPArray(i))) If CInt(IPArray(i)) > 255 Then IPArray(i) = 255 Next IPToInt = (CInt(IPArray(0))*256*256*256) + (CInt(IPArray(1))*256*256) + (CInt(IPArray(2))*256) + CInt(IPArray(3)) End Function ' ============================================ ' 整数逆转IP地址 ' ============================================ Function IntToIP(IntValue) p4 = IntValue - Fix(IntValue/256)*256 IntValue = (IntValue-p4)/256 p3 = IntValue - Fix(IntValue/256)*256 IntValue = (IntValue-p3)/256 p2 = IntValue - Fix(IntValue/256)*256 IntValue = (IntValue - p2)/256 p1 = IntValue IntToIP = Cstr(p1) & "." & Cstr(p2) & "." & Cstr(p3) & "." & Cstr(p4) End Function ' ============================================ ' 获取开始IP位置 ' ============================================ Private Function GetStartIP(RecNo) OffSet = FirstStartIP + RecNo * 7 Stream.Position = OffSet Buf = Stream.Read(7) EndIPOff = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256) StartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256) GetStartIP = StartIP End Function ' ============================================ ' 获取结束IP位置 ' ============================================ Private Function GetEndIP() Stream.Position = EndIPOff Buf = Stream.Read(5) EndIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256) CountryFlag = AscB(MidB(Buf, 5, 1)) GetEndIP = EndIP End Function ' ============================================ ' 获取地域信息,包含国家和和省市 ' ============================================ Private Sub GetCountry(IP) If IP >= IPToInt("255.255.255.0") And IP <= IPToInt("255.255.255.255") Then Country = GetFlagStr(EndIPOff + 12) LocalStr = GetFlagStr(EndIPOff + 21) else If (CountryFlag = 1 Or CountryFlag = 2) Then Country = GetFlagStr(EndIPOff + 4) If CountryFlag = 1 Then LocalStr = GetFlagStr(Stream.Position) Else LocalStr = GetFlagStr(EndIPOff + 8) End If Else Country = GetFlagStr(EndIPOff + 4) LocalStr = GetFlagStr(Stream.Position) End If end if ' 过滤数据库中的无用信息 Country = Trim(Country) LocalStr = Trim(LocalStr) End Sub ' ============================================ ' 获取IP地址标识符 ' ============================================ Private Function GetFlagStr(OffSet) Dim Flag Flag = 0 Do While (True) Stream.Position = OffSet Flag = AscB(Stream.Read(1)) If(Flag = 1 Or Flag = 2 ) Then Buf = Stream.Read(3) If (Flag = 2 ) Then CountryFlag = 2 EndIPOff = OffSet - 4 End If OffSet = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) Else Exit Do End If Loop If (OffSet < 12 ) Then GetFlagStr = "" Else Stream.Position = OffSet GetFlagStr = GetStr() End If End Function ' ============================================ ' 获取字串信息 ' ============================================ Private Function GetStr() Dim c GetStr = "" Do While (True) c = AscB(Stream.Read(1)) If (c = 0) Then Exit Do '如果是双字节,就进行高字节在结合低字节合成一个字符 If c > 127 Then If Stream.EOS Then Exit Do GetStr = GetStr & Chr(AscW(ChrB(AscB(Stream.Read(1))) & ChrB(C))) Else GetStr = GetStr & Chr(c) End If Loop End Function ' ============================================ ' 核心函数,执行IP搜索 ' ============================================ Public Function QQWry(DotIP) Dim IP, nRet Dim RangB, RangE, RecNo IP = IPToInt (DotIP) Set Stream = CreateObject("ADodb.Stream") Stream.Mode = 3 Stream.Type = 1 Stream.Open Stream.LoadFromFile QQWryFile Stream.Position = 0 Buf = Stream.Read(8) FirstStartIP = AscB(MidB(Buf, 1, 1)) + (AscB(MidB(Buf, 2, 1))*256) + (AscB(MidB(Buf, 3, 1))*256*256) + (AscB(MidB(Buf, 4, 1))*256*256*256) LastStartIP = AscB(MidB(Buf, 5, 1)) + (AscB(MidB(Buf, 6, 1))*256) + (AscB(MidB(Buf, 7, 1))*256*256) + (AscB(MidB(Buf, 8, 1))*256*256*256) RecordCount = Int((LastStartIP - FirstStartIP)/7) ' 在数据库中找不到任何IP地址 If (RecordCount <= 1) Then Country = "未知" QQWry = 2 Exit Function End If RangB = 0 RangE = RecordCount Do While (RangB < (RangE - 1)) RecNo = Int((RangB + RangE)/2) Call GetStartIP (RecNo) If (IP = StartIP) Then RangB = RecNo Exit Do End If If (IP > StartIP) Then RangB = RecNo Else RangE = RecNo End If Loop Call GetStartIP(RangB) Call GetEndIP() If (StartIP <= IP) And ( EndIP >= IP) Then ' 没有找到 nRet = 0 Else ' 正常 nRet = 3 End If Call GetCountry(IP) QQWry = nRet End Function ' ============================================ ' 类终结 ' ============================================ Private Sub Class_Terminate On ErrOr Resume Next Stream.Close If Err Then Err.Clear Set Stream = Nothing End Sub End Class '使用方法 '参看Look_Ip函数 '使用方法 '参看Look_Ip函数 '查看IP库版本 'function fipsv() ' dim ipss,theip,ipv(2) ' set ipss= new TQQWry ' theip=ipss.QQWry("255.255.255.255") ' ipv(0)=ipss.Country ' ipv(1)=ipss.LocalStr ' ipv(2)=ipss.RecordCount + 1 ' fipsv=ipv 'end function 'ipsv = fipsv() 'response.Write(ipsv(0)&"/"&ipsv(1)) %>