Ansible with_nested example

ansible_nested.yml

---
- hosts: localhost
  connection: local

  vars:
    all_networks:
      - 10.80.128.0/20
      - 10.80.144.0/20
      - 10.80.208.0/20
      - 10.10.5.0/24
      - 10.10.4.0/24
      - 10.16.5.0/24
      - 10.30.1.0/24
      - 10.191.64.0/19
      - 10.40.1.0/24
      - 10.50.32.0/19
      - 10.50.96.0/19
      - 10.50.160.0/19
      - 10.20.32.0/19
      - 10.20.96.0/19
      - 10.20.160.0/19
      - 10.42.250.0/24
      - 10.42.240.0/24

    my_rules:
      - proto: all
        from_port: -1
        to_port: -1

  tasks:
    - set_fact:
      args:
        rule:
          proto: "{{ item.1.proto }}"
          from_port: "{{ item.1.from_port }}"
          to_port: "{{ item.1.to_port }}"
          cidr_ip: "{{ item.0 }}"
      with_nested:
        - "{{ all_networks }}"
        - "{{ my_rules }}"
      register: all_rules

    - set_fact: all_rules="{{all_rules.results | map(attribute='ansible_facts.rule') | list }}"

    - debug: var=all_rules