CSF: csf.allow – DROPBOX IP range

list of IP:

# DROPBOX
# api.dropbox.com
# watch -n 30 'dig +short dl-balancer.x.dropbox.com A| tee -a dl-balancer.x.dropbox.com.txt'
# cat dl-balancer.x.dropbox.com.txt  | sort | awk -F'.' '{print $1"."$2; }' | uniq

tcp|out|d=80|d=23.21.0.0/16
tcp|out|d=80|d=23.23.0.0/16
tcp|out|d=80|d=50.16.0.0/16
tcp|out|d=80|d=50.17.0.0/16
tcp|out|d=80|d=50.19.0.0/16
tcp|out|d=80|d=54.197.0.0/16
tcp|out|d=80|d=54.204.0.0/16
tcp|out|d=80|d=54.221.0.0/16
tcp|out|d=80|d=54.225.0.0/16
tcp|out|d=80|d=54.227.0.0/16
tcp|out|d=80|d=54.235.0.0/16
tcp|out|d=80|d=54.243.0.0/16
tcp|out|d=80|d=54.83.0.0/16
tcp|out|d=80|d=75.101.0.0/16
tcp|out|d=80|d=107.20.0.0/16
tcp|out|d=80|d=107.21.0.0/16
tcp|out|d=80|d=107.22.0.0/16
tcp|out|d=80|d=108.160.0.0/16
tcp|out|d=80|d=174.129.0.0/16
tcp|out|d=80|d=184.72.0.0/16
tcp|out|d=80|d=184.73.0.0/16
tcp|out|d=80|d=204.236.0.0/16
# ------------------------------------------
tcp|out|d=443|d=23.21.0.0/16
tcp|out|d=443|d=23.23.0.0/16
tcp|out|d=443|d=50.16.0.0/16
tcp|out|d=443|d=50.17.0.0/16
tcp|out|d=443|d=50.19.0.0/16
tcp|out|d=443|d=54.197.0.0/16
tcp|out|d=443|d=54.204.0.0/16
tcp|out|d=443|d=54.221.0.0/16
tcp|out|d=443|d=54.225.0.0/16
tcp|out|d=443|d=54.227.0.0/16
tcp|out|d=443|d=54.235.0.0/16
tcp|out|d=443|d=54.243.0.0/16
tcp|out|d=443|d=54.83.0.0/16
tcp|out|d=443|d=75.101.0.0/16
tcp|out|d=443|d=107.20.0.0/16
tcp|out|d=443|d=107.21.0.0/16
tcp|out|d=443|d=107.22.0.0/16
tcp|out|d=443|d=108.160.0.0/16
tcp|out|d=443|d=174.129.0.0/16
tcp|out|d=443|d=184.72.0.0/16
tcp|out|d=443|d=184.73.0.0/16
tcp|out|d=443|d=204.236.0.0/16
# ------------------------------------------