diff --git a/Facepunch.Steamworks.Test/ServerlistTest.cs b/Facepunch.Steamworks.Test/ServerlistTest.cs
index a6a45c2..2568564 100644
--- a/Facepunch.Steamworks.Test/ServerlistTest.cs
+++ b/Facepunch.Steamworks.Test/ServerlistTest.cs
@@ -165,5 +165,65 @@ namespace Steamworks
 				}
 			}
 		}
-    }
+
+		[TestMethod]
+		public async Task ServerListIps()
+		{
+			var ips = new string[]
+			{
+				"31.186.251.76",
+				"31.186.251.76",
+				"31.186.251.76",
+				"31.186.251.76",
+				"31.186.251.76",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"139.99.144.70",
+				"139.99.144.70",
+				"139.99.144.70",
+				"139.99.144.70",
+				"139.99.144.70",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"74.91.119.142",
+				"95.172.92.176",
+				"95.172.92.176",
+				"95.172.92.176",
+				"95.172.92.176",
+				"95.172.92.176",
+				"164.132.205.154",
+				"164.132.205.154",
+				"164.132.205.154",
+				"164.132.205.154",
+				"164.132.205.154",
+			};
+
+			using ( var list = new ServerList.IpList( ips ) )
+			{
+				var success = await list.RunQueryAsync();
+
+				Console.WriteLine( $"success {success}" );
+				Console.WriteLine( $"Found {list.Responsive.Count} Responsive Servers" );
+				Console.WriteLine( $"Found {list.Unresponsive.Count} Unresponsive Servers" );
+
+				Assert.AreNotEqual( list.Responsive.Count, 0 );
+
+				foreach ( var server in list.Responsive )
+				{
+					Console.WriteLine( $"[{server.Address}:{server.ConnectionPort}] - {server.Name}" );
+				}
+			}
+		}
+	}
 }
diff --git a/Facepunch.Steamworks/ServerList/Base.cs b/Facepunch.Steamworks/ServerList/Base.cs
index 1c883ed..36318ee 100644
--- a/Facepunch.Steamworks/ServerList/Base.cs
+++ b/Facepunch.Steamworks/ServerList/Base.cs
@@ -66,7 +66,7 @@ namespace Steamworks.ServerList
 		/// Query the server list. Task result will be true when finished
 		/// </summary>
 		/// <returns></returns>
-		public async Task<bool> RunQueryAsync( float timeoutSeconds = 10 )
+		public virtual async Task<bool> RunQueryAsync( float timeoutSeconds = 10 )
 		{
 			var stopwatch = System.Diagnostics.Stopwatch.StartNew();
 
@@ -92,7 +92,7 @@ namespace Steamworks.ServerList
 
 				if ( r != Responsive.Count )
 				{
-					OnChanges?.Invoke();
+					InvokeChanges();
 				}
 
 				if ( stopwatch.Elapsed.TotalSeconds > timeoutSeconds )
@@ -100,12 +100,12 @@ namespace Steamworks.ServerList
 			}
 
 			MovePendingToUnresponsive();
-			OnChanges?.Invoke();
+			InvokeChanges();
 
 			return true;
 		}
 
-		public void Cancel() => Internal.CancelQuery( request );
+		public virtual void Cancel() => Internal.CancelQuery( request );
 
 		// Overrides
 		internal abstract void LaunchQuery();
@@ -115,7 +115,7 @@ namespace Steamworks.ServerList
 		#region Filters
 
 		internal List<MatchMakingKeyValuePair_t> filters = new List<MatchMakingKeyValuePair_t>();
-		internal MatchMakingKeyValuePair_t[] GetFilters() => filters.ToArray();
+		internal virtual MatchMakingKeyValuePair_t[] GetFilters() => filters.ToArray();
 
 		public void AddFilter( string key, string value )
 		{
@@ -151,6 +151,11 @@ namespace Steamworks.ServerList
 			ReleaseQuery();
 		}
 
+		internal void InvokeChanges()
+		{
+			OnChanges?.Invoke();
+		}
+
 		void UpdatePending()
 		{
 			var count = Count;
diff --git a/Facepunch.Steamworks/ServerList/IpList.cs b/Facepunch.Steamworks/ServerList/IpList.cs
new file mode 100644
index 0000000..c76e88c
--- /dev/null
+++ b/Facepunch.Steamworks/ServerList/IpList.cs
@@ -0,0 +1,72 @@
+using Steamworks.Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Steamworks.ServerList
+{
+	public class IpList : Internet
+	{
+		public List<string> Ips = new List<string>();
+		bool wantsCancel;
+
+		public IpList( IEnumerable<string> list )
+		{
+			Ips.AddRange( list );
+		}
+
+		public IpList( params string[] list )
+		{
+			Ips.AddRange( list );
+		}
+
+		public override async Task<bool> RunQueryAsync( float timeoutSeconds = 10 )
+		{
+			int blockSize = 16;
+			int pointer = 0;
+
+			var ips = Ips.ToArray();
+
+			while ( true )
+			{
+				var sublist = ips.Skip( pointer ).Take( blockSize );
+				if ( sublist.Count() == 0 )
+					break;
+
+				using ( var list = new ServerList.Internet() )
+				{
+					list.AddFilter( "or", sublist.Count().ToString() );
+
+					foreach ( var server in sublist )
+					{
+						list.AddFilter( "gameaddr", server );
+					}
+
+					await list.RunQueryAsync( timeoutSeconds );
+
+					if ( wantsCancel )
+						return false;
+
+					Responsive.AddRange( list.Responsive );
+					Responsive = Responsive.Distinct().ToList();
+					Unresponsive.AddRange( list.Unresponsive );
+					Unresponsive = Unresponsive.Distinct().ToList();
+				}
+
+				pointer += sublist.Count();
+
+				InvokeChanges();
+			}
+
+			return true;
+		}
+
+		public override void Cancel()
+		{
+			wantsCancel = true;
+		}
+	}
+}
\ No newline at end of file
diff --git a/Facepunch.Steamworks/Structs/Server.cs b/Facepunch.Steamworks/Structs/Server.cs
index 0c470d5..df5c620 100644
--- a/Facepunch.Steamworks/Structs/Server.cs
+++ b/Facepunch.Steamworks/Structs/Server.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Steamworks.Data
 {
-	public struct ServerInfo
+	public struct ServerInfo : IEquatable<ServerInfo>
 	{
 		public string Name { get; set; }
 		public int Ping { get; set; }
@@ -118,5 +118,15 @@ namespace Steamworks.Data
 		{
 			//Client.native.matchmaking.RemoveFavoriteGame( AppId, Utility.IpToInt32( Address ), (ushort)ConnectionPort, (ushort)QueryPort, k_unFavoriteFlagFavorite );
 		}
+
+		public bool Equals( ServerInfo other )
+		{
+			return this.GetHashCode() == other.GetHashCode();
+		}
+
+		public override int GetHashCode()
+		{
+			return Address.GetHashCode() + SteamId.GetHashCode() + ConnectionPort.GetHashCode() + QueryPort.GetHashCode();
+		}
 	}
 }
\ No newline at end of file