C:\Program Files\Nmap>nmap -v -v -v -P0 xx-xxx-xxx-xx

Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-20 12:31 Eastern Daylight
Time
Initiating SYN Stealth Scan at 12:31
Scanning xx-xxx-xxx-xx [1697 ports
]
SYN Stealth Scan Timing: About 8.84% done; ETC: 12:37 (0:05:15 remaining)
SYN Stealth Scan Timing: About 76.31% done; ETC: 12:34 (0:00:37 remaining)
Completed SYN Stealth Scan at 12:34, 128.76s elapsed (1697 total ports)
Host xx-xxx-xxx-xx appears to be up ... good.
Interesting ports on xx-xxx-xxx-xx:
Not shown: 1696 filtered ports
PORT     STATE  SERVICE
1503/tcp closed imtc-mcs

Nmap finished: 1 IP address (1 host up) scanned in 128.859 seconds
               Raw packets sent: 3398 (149.512KB) | Rcvd: 6 (276B)