CommonUtils/Networks/IpUtil.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Text;

namespace CommonUtils
{
    public static class IpUtil
    {
        public static string MyIp
        {
            get
            {
                StringBuilder Info = new StringBuilder("");

                Info.Append("本机名：");
                Info.AppendLine(Dns.GetHostName());

                Info.Append("IP 地址：");
                Info.AppendLine(" -> ");
                IPAddress[] ipHost = Dns.GetHostAddresses(Dns.GetHostName());
                foreach (IPAddress address in ipHost)
                {
                    long scopeId = 0;
                    try
                    {
                        scopeId = address.ScopeId;
                    }
                    catch
                    {
                    }
                    Info.AppendLine(scopeId + " >> ");
                    Info.AppendLine(address.ToString());
                    Info.AppendLine();
                }

                return Info.ToString();
            }
        }

        public static string Hide(string ip)
        {
            var cells = ip.Split('.');
            if (cells.Length == 4)
                return string.Format("{0}.{1}.*.{2}", cells[0], cells[1], cells[3]);
            return ip;
        }

        //public static string GetZone(string ip)
        //{
        //}

        public static IPAddress GetFromIpString(string ip)
        => IPAddress.Parse(ip);

        public static IPAddress GetFromIpParts(byte part1, byte part2, byte part3, byte part4)
        => new IPAddress(new byte[] { part1, part2, part3, part4 });