~ $ nmap -sT -v -p21 204.212.8.111

Starting Nmap 4.20 ( http://insecure.org ) at 2007-07-19 19:08 UTC
Initiating Parallel DNS resolution of 1 host. at 19:08
Completed Parallel DNS resolution of 1 host. at 19:08, 0.02s elapsed
Initiating Connect() Scan at 19:08
Scanning 204.212.8.111 [1 port]
Completed Connect() Scan at 19:08, 0.15s elapsed (1 total ports)
Host 204.212.8.111 appears to be up ... good.
Interesting ports on 204.212.8.111:
PORT   STATE  SERVICE
21/tcp closed ftp

Nmap finished: 1 IP address (1 host up) scanned in 0.952 seconds