http://airvpn3epnw2fnsbx5x2ppzjs6vxtdarldas7wjyqvhscj7x43fxylqd.onion/tags/config%20generator?_nodeSelectName=nexus_package_item_node&_noJs=1
The command's help output:
airvpn_remotes.sh
Description:
Use dig and fping generate multiple remotes for an AirVPN config, replacing existing remote(s), and ignoring IPs that aren't responding. Remotes are placed in order of lowest ping to highest.