Asp Net Web API 2.1 Get Client Ip Address

Asp Net Web API 2.1 get client IP address

Following link might help you. Here's code from the following link.

reference : getting-the-client-ip-via-asp-net-web-api

using System.Net.Http;
using System.ServiceModel.Channels;
using System.Web;
using System.Web.Http;

namespace Trikks.Controllers.Api
{
    public class IpController : ApiController
    {
          public string GetIp()
          {
                return GetClientIp();
          }

          private string GetClientIp(HttpRequestMessage request = null)
          {
                request = request ?? Request;

                if (request.Properties.ContainsKey("MS_HttpContext"))
                {
                      return   ((HttpContextWrapper)request.Properties["MS_HttpContext"]).Request.UserHostAddress;
                }
                else if (request.Properties.ContainsKey(RemoteEndpointMessageProperty.Name))
                {
                     RemoteEndpointMessageProperty prop = (RemoteEndpointMessageProperty)request.Properties[RemoteEndpointMessageProperty.Name];
                     return prop.Address;
                }
                else if (HttpContext.Current != null)
                {
                    return HttpContext.Current.Request.UserHostAddress;
                }
                else
                {
                      return null;
                }
           }
     }
}

Another way of doing this is below.

reference: how-to-access-the-client-s-ip-address

For web hosted version

string clientAddress = HttpContext.Current.Request.UserHostAddress;

For self hosted

object property;
        Request.Properties.TryGetValue(typeof(RemoteEndpointMessageProperty).FullName, out property);
        RemoteEndpointMessageProperty remoteProperty = property as RemoteEndpointMessageProperty;

How do I get client IP address in ASP.NET Core?

The API has been updated. Not sure when it changed but according to Damien Edwards in late December, you can now do this:

var remoteIpAddress = request.HttpContext.Connection.RemoteIpAddress;

Find Client Public IP Address Inside Controller of rest web API with out calling external api

Check below code this must return you IP address of client

   protected string GetUser_IP()
    {
        string VisitorsIPAddr = string.Empty;
        if (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null)
        {
            VisitorsIPAddr = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
        }
        else if (HttpContext.Current.Request.UserHostAddress.Length != 0)
        {
            VisitorsIPAddr = HttpContext.Current.Request.UserHostAddress;
        }
    return VisitorsIPAddr;
    }

For more help: Get public IP Address

Get client's IP address in ASP.NET Core 2.2

Inject IHttpContextAccessor

And put the below snippet

var result = string.Empty;

 //first try to get IP address from the forwarded header
                if (_httpContextAccessor.HttpContext.Request.Headers != null)
                {
                    //the X-Forwarded-For (XFF) HTTP header field is a de facto standard for identifying the originating IP address of a client
                    //connecting to a web server through an HTTP proxy or load balancer

                    var forwardedHeader = _httpContextAccessor.HttpContext.Request.Headers["X-Forwarded-For"];
                    if (!StringValues.IsNullOrEmpty(forwardedHeader))
                        result = forwardedHeader.FirstOrDefault();
                }

                //if this header not exists try get connection remote IP address
                if (string.IsNullOrEmpty(result) && _httpContextAccessor.HttpContext.Connection.RemoteIpAddress != null)
                    result = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress.ToString();

I think it may work.

How to get user IP address in API model in ASP.NET Core 2.1?

You're breaking SOLID here. It's not appropriate for you model to know about HttpContext or how to retrieve a remote IP address from that. The logic you want to encapsulate in your model simply needs an IP address, so that is what you should give it. This can either be provided in the constructor of your model class or just as a param to the particular method(s) that need to utilize it. For example, create a method like:

public void GeolocateByIP(string ip)
{
    // do geolocation
}

In your controller action, then, you simply do something like:

model.GeolocateByIP(HttpContext.Connection.RemoteIpAddress.MapToIPv4().ToString());

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