Nmap scan report for revelution.com (208.82.16.68)
Host is up (0.033s latency).
rDNS record for 208.82.16.68: vip-208-82-16-68.ning.com
Not shown: 991 closed tcp ports (reset)
PORT     STATE    SERVICE
22/tcp   filtered ssh
25/tcp   open     smtp
80/tcp   open     http
222/tcp  filtered rsh-spx
443/tcp  open     https
4848/tcp filtered appserv-http
8080/tcp filtered http-proxy
8088/tcp filtered radan-http
9009/tcp filtered pichat

Nmap done: 1 IP address (1 host up) scanned in 2.81 seconds