diff --git a/Common/dataobjects/LocalNetwork.cs b/Common/dataobjects/LocalNetwork.cs
new file mode 100644
index 0000000..43733e7
--- /dev/null
+++ b/Common/dataobjects/LocalNetwork.cs
@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Xml.Linq;
+using FLocal.Core;
+using FLocal.Core.DB;
+using FLocal.Core.DB.conditions;
+using FLocal.Core.Network;
+
+namespace FLocal.Common.dataobjects {
+	public class LocalNetwork : SqlObject<LocalNetwork> {
+
+		public class TableSpec : ISqlObjectTableSpec {
+			public const string TABLE = "LocalNetworks";
+			public const string FIELD_ID = "Id";
+			public const string FIELD_NETWORK = "Network";
+			public const string FIELD_COMMENT = "Comment";
+			public const string FIELD_ISENABLED = "IsEnabled";
+			public static readonly TableSpec instance = new TableSpec();
+			public string name { get { return TABLE; } }
+			public string idName { get { return FIELD_ID; } }
+			public void refreshSqlObject(int id) { Refresh(id); }
+		}
+
+		protected override ISqlObjectTableSpec table { get { return TableSpec.instance; } }
+
+		private IPv4Subnet _network;
+		public IPv4Subnet network {
+			get {
+				this.LoadIfNotLoaded();
+				return this._network;
+			}
+		}
+
+		private string _comment;
+		public string comment {
+			get {
+				this.LoadIfNotLoaded();
+				return this._comment;
+			}
+		}
+
+		private bool _isEnabled;
+		public bool isEnabled {
+			get {
+				this.LoadIfNotLoaded();
+				return this._isEnabled;
+			}
+		}
+
+		protected override void doFromHash(Dictionary<string, string> data) {
+			this._network = IPv4Subnet.FromString(data[TableSpec.FIELD_NETWORK]);
+			this._comment = data[TableSpec.FIELD_COMMENT];
+			this._isEnabled = Util.string2bool(data[TableSpec.FIELD_ISENABLED]);
+		}
+
+		public XElement exportToXml(UserContext context) {
+			return new XElement("localNetwork",
+				new XElement("id", this.id),
+				new XElement("network", this.network.ToString()),
+				new XElement("comment", this.comment),
+				new XElement("isEnabled", this.isEnabled.ToPlainString())
+			);
+		}
+
+		public static bool IsLocalNetwork(IPv4Address ip) {
+			return Config.instance.mainConnection.GetCountByConditions(
+				TableSpec.instance,
+				new ComplexCondition(
+					ConditionsJoinType.AND,
+					new ComparisonCondition(
+						TableSpec.instance.getColumnSpec(TableSpec.FIELD_ISENABLED),
+						ComparisonType.EQUAL,
+						"1"
+					),
+					new MultiValueCondition(
+						TableSpec.instance.getColumnSpec(TableSpec.FIELD_NETWORK),
+						(from subnet in ip.matchingSubnets select subnet.ToString()).ToArray()
+					)
+				)
+			) > 0;
+		}
+
+	}
+}