Nmap scan report for renrenseo.com (156.224.171.119)
Host is up (0.011s latency).
Not shown: 984 filtered tcp ports (no-response), 10 filtered tcp ports (host-prohibited)
PORT    STATE  SERVICE
20/tcp  closed ftp-data
21/tcp  open   ftp
22/tcp  closed ssh
80/tcp  open   http
443/tcp closed https
888/tcp open   accessbuilder

Nmap done: 1 IP address (1 host up) scanned in 5.25 seconds