def parse_ips(ips):
    """
    This function generates a list of ips from an input string. This input can contain ips seperated by ",".

    :param ips: string with ips seperated with ","

    :return: a list of ips
    :rtype list of strings
    """
    ip_list = []
    if ips == '' or ips is None:
        return ip_list
    for ip in ips.split(','):
        ip_list.append(ip)
    return ip_list
