Nmap scan report for renrenlin.com (154.91.245.92)
Host is up (0.15s latency).
Not shown: 993 filtered tcp ports (no-response)
PORT     STATE  SERVICE
20/tcp   closed ftp-data
21/tcp   closed ftp
22/tcp   closed ssh
80/tcp   open   http
443/tcp  closed https
888/tcp  open   accessbuilder
8600/tcp open   asterix

Nmap done: 1 IP address (1 host up) scanned in 9.20 seconds