ipset
#!/bin/bash curl http://www.ipdeny.com/ipblocks/data/countries/pl.zone > /tmp/polska rm -f /tmp/polska.ipset while IFS='' read -r line || [[ -n "$line" ]]; do echo "add pl $line -exist" >> polska.ipset done < /tmp/polska #ipset x pl ipset create pl hash:net -exist ipset restore < /tmp/polska.ipset