C#

//Create MemoryStream out of the received bytes
                MemoryStream ImemoryStream = new MemoryStream(byteBuffer, 0, nReceived);
                //Next we create a BinaryReader out of the MemoryStream
                BinaryReader IbinaryReader = new BinaryReader(ImemoryStream);

                //The first eight bits of the IP header contain the version and
                //header length so we read them
                byteVersionAndHeaderLength = IbinaryReader.ReadByte();

                //The next eight bits contain the Differentiated services
                byteDifferentiatedServices = IbinaryReader.ReadByte();

                //Next eight bits hold the total length of the datagram
                ushortTotalLength = (ushort)IPAddress.NetworkToHostOrder(IbinaryReader.ReadInt16());

                //Next sixteen have the identification bytes
                ushortIdentification = (ushort)IPAddress.NetworkToHostOrder(IbinaryReader.ReadInt16());

                //Next sixteen bits contain the flags and fragmentation offset
                ushortFlagsAndOffset = (ushort)IPAddress.NetworkToHostOrder(IbinaryReader.ReadInt16());

                //Next eight bits have the TTL value
                byteTTL = IbinaryReader.ReadByte();

                //Next eight represnts the protocol encapsulated in the datagram
                byteProtocol = IbinaryReader.ReadByte();

                //Next sixteen bits contain the checksum of the header
                ushortChecksum = IPAddress.NetworkToHostOrder(IbinaryReader.ReadInt16());

                //Next thirty two bits have the source IP address
                uintSourceIPAddress = (uint)(IbinaryReader.ReadInt32());

                //Next thirty two hold the destination IP address
                uintDestinationIPAddress = (uint)(IbinaryReader.ReadInt32());