Nmap scan report for laz-dorangesource.alicdn.com.w.cdngslb.com (8.45.176.251) Host is up (0.029s latency). Other addresses for laz-dorangesource.alicdn.com.w.cdngslb.com (not scanned): 8.45.176.252 Not shown: 996 filtered tcp ports (no-response) PORT STATE SERVICE 80/tcp open http 443/tcp open https 843/tcp open unknown 1935/tcp open rtmp Nmap done: 1 IP address (1 host up) scanned in 5.12 seconds