/log info "Loading ST ipv4 address list"
/ip firewall address-list remove [/ip firewall address-list find list=ST]
/ip firewall address-list
:do { add address=102.206.44.0/22 list=ST } on-error={}
:do { add address=154.72.12.0/22 list=ST } on-error={}
:do { add address=197.159.160.0/19 list=ST } on-error={}