cloudfront_ip_prefixes.sh

curl -sSL https://ip-ranges.amazonaws.com/ip-ranges.json | jq -r '("# syncToken: " + .syncToken), ("# createDate: " + .createDate), (.prefixes | .[] | select(.service == "CLOUDFRONT") | "set_real_ip_from " + .ip_prefix + ";")'

cloudfront_real_ips.conf

# syncToken: 1499303531
# createDate: 2017-07-06-01-12-11
set_real_ip_from 13.32.0.0/15;
set_real_ip_from 13.54.63.128/26;
set_real_ip_from 13.59.250.0/26;
set_real_ip_from 13.113.203.0/24;
set_real_ip_from 13.228.69.0/24;
set_real_ip_from 34.195.252.0/24;
set_real_ip_from 34.226.14.0/24;
set_real_ip_from 35.158.136.0/24;
set_real_ip_from 35.162.63.192/26;
set_real_ip_from 35.167.191.128/26;
set_real_ip_from 52.15.127.128/26;
set_real_ip_from 52.46.0.0/18;
set_real_ip_from 52.52.191.128/26;
set_real_ip_from 52.56.127.0/25;
set_real_ip_from 52.57.254.0/24;
set_real_ip_from 52.66.194.128/26;
set_real_ip_from 52.78.247.128/26;
set_real_ip_from 52.84.0.0/15;
set_real_ip_from 52.199.127.192/26;
set_real_ip_from 52.212.248.0/26;
set_real_ip_from 52.220.191.0/26;
set_real_ip_from 52.222.128.0/17;
set_real_ip_from 54.182.0.0/16;
set_real_ip_from 54.192.0.0/16;
set_real_ip_from 54.230.0.0/16;
set_real_ip_from 54.233.255.128/26;
set_real_ip_from 54.239.128.0/18;
set_real_ip_from 54.239.192.0/19;
set_real_ip_from 54.240.128.0/18;
set_real_ip_from 204.246.164.0/22;
set_real_ip_from 204.246.168.0/22;
set_real_ip_from 204.246.174.0/23;
set_real_ip_from 204.246.176.0/20;
set_real_ip_from 205.251.192.0/19;
set_real_ip_from 205.251.249.0/24;
set_real_ip_from 205.251.250.0/23;
set_real_ip_from 205.251.252.0/23;
set_real_ip_from 205.251.254.0/24;
set_real_ip_from 216.137.32.0/19;