Tests IP
Your HTTP_CLIENT IP -
Your X_FORWARDED_FOR IP - 18.118.217.142, 172.69.6.220
Your REMOTE_ADDR IP - 172.21.0.1
1HTTP_X_FORWARDED_FOR: 18.118.217.142, 172.69.6.220
HTTP_X_REAL_IP: 172.69.6.220
HTTP_CF_CONNECTING_IP: 18.118.217.142