C#使用MaxMind.GeoIP2数据库查询当前ip地址

GeoLite2-City.mmdb下载
因为比较简单，直接上代码，代码展示获取ip地址的国家和城市信息

using MaxMind.GeoIP2;
using MaxMind.GeoIP2.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;namespace IP.Demo.API.Controllers
{public class HomeController : Controller  C#有偿Q群：927860652{List<string> ipList = new List<string>();public ActionResult Index(){InitIplist();var ips =  GetIPInfos();return View(ips);}private void InitIplist(){// 获取客户端请求的IP地址var ipAddress = Request.UserHostAddress;//湖南var hn = "175.6.68.41";//台湾var tw = "210.61.221.0";//香港var hk = "58.176.0.0";//伦敦var ld = "165.3.120.76";ipList.Add(hn);ipList.Add(ipAddress);ipList.Add(tw);ipList.Add(hk);ipList.Add(ld);}private List<IPInfo> GetIPInfos() {List < IPInfo > ips = new List<IPInfo>();var reader = new DatabaseReader("D:\\C#\\IP.Demo.API\\IP.Demo.API\\bin\\GeoLite2-City.mmdb");foreach (var ipAddress in ipList){try{// 解析IP地址var ipAddressObj = IPAddress.Parse(ipAddress);var response = reader.City(ipAddressObj);IPInfo iPInfo = new IPInfo();iPInfo.ip = ipAddress;iPInfo.Country = response.Country.Names["zh-CN"];try{iPInfo.City = response.City.Names["zh-CN"];}catch{iPInfo.City = response.MostSpecificSubdivision.Names["zh-CN"];}if (iPInfo.Country.Equals("中国")){if (iPInfo.City.Equals("台湾") || iPInfo.City.Equals("香港")) iPInfo.IsDomestic = false;else iPInfo.IsDomestic = true;}elseiPInfo.IsDomestic = false;if (iPInfo.Country.Equals("中华民国")) { iPInfo.Country = "中国"; iPInfo.City ="台湾"; }if (iPInfo.Country.Equals("香港")) { iPInfo.Country = "中国"; iPInfo.City = "香港"; }ips.Add(iPInfo);}catch {//处理本地127.0.0.1的请求IPInfo iPInfo = new IPInfo();iPInfo.ip = ipAddress;iPInfo.Country = "未知";iPInfo.City = "未知";iPInfo.IsDomestic = false;ips.Add(iPInfo);}}reader.Dispose();return ips;}}public class IPInfo {public string ip { get; set; }public string Country { get; set; }public string City { get; set; }public bool IsDomestic { get; set; }}
}

视图：

@using IP.Demo.API.Controllers;
@model List<IPInfo>@foreach (var IPInfo in Model)
{<div><p>IP: @IPInfo.ip</p><p>国家: @IPInfo.Country</p><p>城市: @IPInfo.City</p>@if (IPInfo.IsDomestic){<p>国内: 是</p>}else {<p>国内: 否</p>}</div>
}