def get_software(ip, port):
    """
    The function gets the software name by it's ip and port

    :param ip: IP Address
    :param port: Port
    :return: Software or 'Unknown'
    """

    software = ""
    address = ip + ":" + str(port)
    connections = popen("netstat -nb").readlines()[4:]

    # Squizing the lines, I want to empty lines here
    for i in range(len(connections)):
        connections[i] = connections[i].replace("\n", "")

    # Looking for each ip address
    for i in range(len(connections)):
        line = connections[i]

        # If it is not a software name
        if not(line.startswith(" [")):
            # Slicing 32:54 to get the exact ip (Does not matter if also the port is 4 or 5 digits!)
            line = connections[i][32:54]

            # The line may include some extra spaces, because of the port length change,
            # so checking whether the address is inside
            if address in line:
                # Software name is in the next line, slicing from 2:-1 to get just it's name
                return connections[i + 1][2:-1]

    return "Unknown"