Статья CIDR ranges by country

[Prokhorenco]

IP ranges for scanning by country (not all).

Countries:
australia
france
canada
india
italy
spain
usa
germany
ireland
romania
uk

masscan -Pn -sS -iL usa.txt --rate 20000 -p4443,10443,8443 --open-only --excludefile block.txt --output-format list --output-file results.txt