public static bool isLAN(IPAddress ip)
{
if (_SegIPList_LAN == null)
{
_SegIPList_LAN = new SegmentIPOrderList();
string[] netmasks = new string[]
{
"0.0.0.0/8",
"10.0.0.0/8",
//"100.64.0.0/10", //部分地区运营商貌似在使用这个，这个可能不安全
"127.0.0.0/8",
"169.254.0.0/16",
"172.16.0.0/12",
//"192.0.0.0/24",
//"192.0.2.0/24",
"192.168.0.0/16",
//"198.18.0.0/15",
//"198.51.100.0/24",
//"203.0.113.0/24",
};
netmasks.ToList().ForEach(s => _SegIPList_LAN.Add(new SegmentIP(s)));
}
var rst = _SegIPList_LAN.IsInList(ip);
return(rst);
}
public void TestIPRangeQuery_new()
{
SegmentIPOrderList iprs = new SegmentIPOrderList();
iprs.LoadChinaIP();
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 100000; i++)
{
{
var rst = iprs.IsInList(IPAddress.Parse("203.57.200.1"));
Assert.IsTrue(rst);
}
{
var rst = iprs.IsInList(IPAddress.Parse("202.0.184.1"));
Assert.IsFalse(rst);
}
}
sw.Stop();
Console.WriteLine($"{sw.ElapsedMilliseconds}ms");
}