Generate MikroTik address list with IP addresses of CS:GO official matchmaking servers

csgo_address_list.py

#!/usr/bin/env python3

import json
import netaddr


def main():
    # Download from https://api.steampowered.com/ISteamApps/GetSDRConfig/v1?appid=730
    with open('network_config.json', 'r', encoding='utf-8') as f:
        network_config = json.load(f)
    pops = dict.get(network_config, 'pops')
    results = []
    for k, v in dict.items(pops):
        desc = dict.get(v, 'desc')
        name = k + ' - ' + desc if desc else k
        addresses = []
        for relay in dict.get(v, 'relays', []):
            address = dict.get(relay, 'ipv4')
            addresses.append(netaddr.IPAddress(address))
        addresses = netaddr.cidr_merge(addresses)
        addresses.sort()
        results.append((name, addresses))
    results.sort()
    print('/ip firewall address-list')
    print('remove [ find list=csgo ]')
    for name, addresses in results:
        for address in addresses:
            print('add address={} comment="CS:GO {}" list=csgo'.format(address, name))


if __name__ == "__main__":
    main()