diff --git a/X10D.Tests/src/Net/Int16Tests.cs b/X10D.Tests/src/Net/Int16Tests.cs
new file mode 100644
index 0000000..9dea812
--- /dev/null
+++ b/X10D.Tests/src/Net/Int16Tests.cs
@@ -0,0 +1,26 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using X10D.Net;
+
+namespace X10D.Tests.Net;
+
+[TestClass]
+public class Int16Tests
+{
+    [TestMethod]
+    public void HostToNetworkOrder_ReturnsCorrectValue()
+    {
+        const short hostOrder = 0x0102;
+        const short networkOrder = 0x0201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? networkOrder : hostOrder, hostOrder.HostToNetworkOrder());
+    }
+
+    [TestMethod]
+    public void NetworkToHostOrder_ReturnsCorrectValue()
+    {
+        const short hostOrder = 0x0102;
+        const short networkOrder = 0x0201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? hostOrder : networkOrder, networkOrder.NetworkToHostOrder());
+    }
+}
diff --git a/X10D.Tests/src/Net/Int32Tests.cs b/X10D.Tests/src/Net/Int32Tests.cs
new file mode 100644
index 0000000..7157eef
--- /dev/null
+++ b/X10D.Tests/src/Net/Int32Tests.cs
@@ -0,0 +1,26 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using X10D.Net;
+
+namespace X10D.Tests.Net;
+
+[TestClass]
+public class Int32Tests
+{
+    [TestMethod]
+    public void HostToNetworkOrder_ReturnsCorrectValue()
+    {
+        const int hostOrder = 0x01020304;
+        const int networkOrder = 0x04030201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? networkOrder : hostOrder, hostOrder.HostToNetworkOrder());
+    }
+
+    [TestMethod]
+    public void NetworkToHostOrder_ReturnsCorrectValue()
+    {
+        const int hostOrder = 0x01020304;
+        const int networkOrder = 0x04030201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? hostOrder : networkOrder, networkOrder.NetworkToHostOrder());
+    }
+}
diff --git a/X10D.Tests/src/Net/Int64Tests.cs b/X10D.Tests/src/Net/Int64Tests.cs
new file mode 100644
index 0000000..c207125
--- /dev/null
+++ b/X10D.Tests/src/Net/Int64Tests.cs
@@ -0,0 +1,26 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using X10D.Net;
+
+namespace X10D.Tests.Net;
+
+[TestClass]
+public class Int64Tests
+{
+    [TestMethod]
+    public void HostToNetworkOrder_ReturnsCorrectValue()
+    {
+        const long hostOrder = 0x0102030405060708;
+        const long networkOrder = 0x0807060504030201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? networkOrder : hostOrder, hostOrder.HostToNetworkOrder());
+    }
+
+    [TestMethod]
+    public void NetworkToHostOrder_ReturnsCorrectValue()
+    {
+        const long hostOrder = 0x0102030405060708;
+        const long networkOrder = 0x0807060504030201;
+
+        Assert.AreEqual(BitConverter.IsLittleEndian ? hostOrder : networkOrder, networkOrder.NetworkToHostOrder());
+    }
+}
diff --git a/X10D/src/Int32Extensions/Int32Extensions.cs b/X10D/src/Int32Extensions/Int32Extensions.cs
index 3109dea..ff14a94 100644
--- a/X10D/src/Int32Extensions/Int32Extensions.cs
+++ b/X10D/src/Int32Extensions/Int32Extensions.cs
@@ -1,5 +1,4 @@
-using System.Net;
-using X10D.Math;
+using X10D.Math;
 
 namespace X10D;
 
@@ -69,24 +68,4 @@ public static class Int32Extensions
     {
         return ((float)value).DegreesToRadians();
     }
-
-    /// <summary>
-    ///     Converts an integer value from network byte order to host byte order.
-    /// </summary>
-    /// <param name="value">The value to convert, expressed in network byte order.</param>
-    /// <returns>An integer value, expressed in host byte order.</returns>
-    public static int ToHostOrder(this int value)
-    {
-        return IPAddress.NetworkToHostOrder(value);
-    }
-
-    /// <summary>
-    ///     Converts an integer value from host byte order to network byte order.
-    /// </summary>
-    /// <param name="value">The value to convert, expressed in host byte order.</param>
-    /// <returns>An integer value, expressed in network byte order.</returns>
-    public static int ToNetworkOrder(this int value)
-    {
-        return IPAddress.HostToNetworkOrder(value);
-    }
 }
diff --git a/X10D/src/Int64Extensions/Int64Extensions.cs b/X10D/src/Int64Extensions/Int64Extensions.cs
index b6463cd..6469bb5 100644
--- a/X10D/src/Int64Extensions/Int64Extensions.cs
+++ b/X10D/src/Int64Extensions/Int64Extensions.cs
@@ -1,6 +1,4 @@
-using System.Net;
-
-namespace X10D;
+namespace X10D;
 
 /// <summary>
 ///     Extension methods for <see cref="long" />.
@@ -50,24 +48,4 @@ public static class Int64Extensions
 
         return persistence;
     }
-
-    /// <summary>
-    ///     Converts an integer value from network byte order to host byte order.
-    /// </summary>
-    /// <param name="value">The value to convert, expressed in network byte order.</param>
-    /// <returns>An integer value, expressed in host byte order.</returns>
-    public static long ToHostOrder(this long value)
-    {
-        return IPAddress.NetworkToHostOrder(value);
-    }
-
-    /// <summary>
-    ///     Converts an integer value from host byte order to network byte order.
-    /// </summary>
-    /// <param name="value">The value to convert, expressed in host byte order.</param>
-    /// <returns>An integer value, expressed in network byte order.</returns>
-    public static long ToNetworkOrder(this long value)
-    {
-        return IPAddress.HostToNetworkOrder(value);
-    }
 }
diff --git a/X10D/src/Int16Extensions/Int16Extensions.cs b/X10D/src/Net/Int16Extensions.cs
similarity index 61%
rename from X10D/src/Int16Extensions/Int16Extensions.cs
rename to X10D/src/Net/Int16Extensions.cs
index 68999ac..1893df3 100644
--- a/X10D/src/Int16Extensions/Int16Extensions.cs
+++ b/X10D/src/Net/Int16Extensions.cs
@@ -1,29 +1,29 @@
 using System.Net;
 
-namespace X10D;
+namespace X10D.Net;
 
 /// <summary>
-///     Extension methods for <see cref="short" />.
+///     Network-related extension methods for <see cref="short" />.
 /// </summary>
 public static class Int16Extensions
 {
     /// <summary>
-    ///     Converts an integer value from network byte order to host byte order.
-    /// </summary>
-    /// <param name="value">The value to convert, expressed in network byte order.</param>
-    /// <returns>An integer value, expressed in host byte order.</returns>
-    public static short ToHostOrder(this short value)
-    {
-        return IPAddress.NetworkToHostOrder(value);
-    }
-
-    /// <summary>
-    ///     Converts an integer value from host byte order to network byte order.
+    ///     Converts a 16-bit signed integer value from host byte order to network byte order.
     /// </summary>
     /// <param name="value">The value to convert, expressed in host byte order.</param>
     /// <returns>An integer value, expressed in network byte order.</returns>
-    public static short ToNetworkOrder(this short value)
+    public static short HostToNetworkOrder(this short value)
     {
         return IPAddress.HostToNetworkOrder(value);
     }
+
+    /// <summary>
+    ///     Converts a 16-bit signed integer value from network byte order to host byte order.
+    /// </summary>
+    /// <param name="value">The value to convert, expressed in network byte order.</param>
+    /// <returns>An integer value, expressed in host byte order.</returns>
+    public static short NetworkToHostOrder(this short value)
+    {
+        return IPAddress.NetworkToHostOrder(value);
+    }
 }
diff --git a/X10D/src/Net/Int32Extensions.cs b/X10D/src/Net/Int32Extensions.cs
new file mode 100644
index 0000000..608af85
--- /dev/null
+++ b/X10D/src/Net/Int32Extensions.cs
@@ -0,0 +1,29 @@
+using System.Net;
+
+namespace X10D.Net;
+
+/// <summary>
+///     IO-related extension methods for <see cref="int" />.
+/// </summary>
+public static class Int32Extensions
+{
+    /// <summary>
+    ///     Converts a 32-bit signed integer value from host byte order to network byte order.
+    /// </summary>
+    /// <param name="value">The value to convert, expressed in host byte order.</param>
+    /// <returns>An integer value, expressed in network byte order.</returns>
+    public static int HostToNetworkOrder(this int value)
+    {
+        return IPAddress.HostToNetworkOrder(value);
+    }
+
+    /// <summary>
+    ///     Converts a 32-bit signed integer value from network byte order to host byte order.
+    /// </summary>
+    /// <param name="value">The value to convert, expressed in network byte order.</param>
+    /// <returns>An integer value, expressed in host byte order.</returns>
+    public static int NetworkToHostOrder(this int value)
+    {
+        return IPAddress.NetworkToHostOrder(value);
+    }
+}
diff --git a/X10D/src/Net/Int64Extensions.cs b/X10D/src/Net/Int64Extensions.cs
new file mode 100644
index 0000000..4365cd6
--- /dev/null
+++ b/X10D/src/Net/Int64Extensions.cs
@@ -0,0 +1,29 @@
+using System.Net;
+
+namespace X10D.Net;
+
+/// <summary>
+///     IO-related extension methods for <see cref="long" />.
+/// </summary>
+public static class Int64Extensions
+{
+    /// <summary>
+    ///     Converts a 64-bit signed integer value from host byte order to network byte order.
+    /// </summary>
+    /// <param name="value">The value to convert, expressed in host byte order.</param>
+    /// <returns>An integer value, expressed in network byte order.</returns>
+    public static long HostToNetworkOrder(this long value)
+    {
+        return IPAddress.HostToNetworkOrder(value);
+    }
+
+    /// <summary>
+    ///     Converts a 64-bit signed integer value from network byte order to host byte order.
+    /// </summary>
+    /// <param name="value">The value to convert, expressed in network byte order.</param>
+    /// <returns>An integer value, expressed in host byte order.</returns>
+    public static long NetworkToHostOrder(this long value)
+    {
+        return IPAddress.NetworkToHostOrder(value);
+    }
+}