Nmap scan report for renrenknow.com (206.119.101.152)
Host is up (0.15s latency).
Not shown: 994 filtered tcp ports (no-response)
PORT     STATE  SERVICE
20/tcp   closed ftp-data
21/tcp   open   ftp
22/tcp   closed ssh
443/tcp  closed https
888/tcp  open   accessbuilder
9200/tcp open   wap-wsp

Nmap done: 1 IP address (1 host up) scanned in 10.20 seconds